diff --git a/download.py b/download.py
index 287ea94..dcb1618 100644
--- a/download.py
+++ b/download.py
@@ -1,28 +1,45 @@
-from os.path import join
+import os
+import tarfile
 from arekit.contrib.source import utils
-from network.args.const import EMBEDDING_FILEPATH, SYNONYMS_FILEPATH, BERT_PRETRAINED_MODEL_PATH, \
-    BERT_FINETUNED_MODEL_PATH
+
+from examples.args import const
 
 
 def download_examples_data():
     root_dir = utils.get_default_download_dir()
 
     data = {
-        EMBEDDING_FILEPATH: "http://rusvectores.org/static/models/rusvectores2/news_mystem_skipgram_1000_20_2015.bin.gz",
-        SYNONYMS_FILEPATH: "https://raw.githubusercontent.com/nicolay-r/RuSentRel/v1.1/synonyms.txt",
+        const.EMBEDDING_FILEPATH: "http://rusvectores.org/static/models/rusvectores2/news_mystem_skipgram_1000_20_2015.bin.gz",
+        const.SYNONYMS_FILEPATH: "https://raw.githubusercontent.com/nicolay-r/RuSentRel/v1.1/synonyms.txt",
         # NOTE: this is a pre-trained model and it is expected to be fine-tunned.
-        BERT_PRETRAINED_MODEL_PATH: "https://www.dropbox.com/s/cr6nejxjiqbyd5o/ra-20-srubert-large-neut-nli-pretrained-3l.tar.gz?dl=1",
+        const.BERT_PRETRAINED_MODEL_PATHDIR: "https://www.dropbox.com/s/cr6nejxjiqbyd5o/ra-20-srubert-large-neut-nli-pretrained-3l.tar.gz?dl=1",
         # Fine-tuned on RuSentRel collection.
-        BERT_FINETUNED_MODEL_PATH: "https://www.dropbox.com/s/g73osmwyrqtr2at/ra-20-srubert-large-neut-nli-pretrained-3l-finetuned.tar.gz?dl=1"
-
+        const.BERT_FINETUNED_MODEL_PATHDIR: "https://www.dropbox.com/s/g73osmwyrqtr2at/ra-20-srubert-large-neut-nli-pretrained-3l-finetuned.tar.gz?dl=1"
     }
 
+    untar = [
+        const.BERT_PRETRAINED_MODEL_PATHDIR,
+        const.BERT_FINETUNED_MODEL_PATHDIR
+    ]
+
     # Perform downloading ...
     for local_name, url_link in data.items():
         print("Downloading: {}".format(local_name))
-        utils.download(dest_file_path=join(root_dir, local_name),
+        utils.download(dest_file_path=os.path.join(root_dir, local_name),
                        source_url=url_link)
 
+    # Extracting tar files ...
+    for local_name in untar:
+        local_name += '.tar.gz'
+        print(local_name)
+        if not os.path.exists(local_name):
+            continue
+        if not tarfile.is_tarfile(local_name):
+            continue
+        with tarfile.open(local_name) as f:
+            target = os.path.dirname(local_name)
+            f.extractall(path=target)
+
 
 if __name__ == '__main__':
     download_examples_data()
diff --git a/examples/args/const.py b/examples/args/const.py
index 702fa1f..aee792d 100644
--- a/examples/args/const.py
+++ b/examples/args/const.py
@@ -18,16 +18,16 @@
 # Default pretrained BERT.
 NEURAL_NETWORKS_TARGET_DIR = DEFAULT_MODEL_DIR
 BERT_DEFAULT_STATE_NAME = "ra-20-srubert-large-neut-nli-pretrained-3l"
-BERT_PRETRAINED_MODEL_PATH = join(NEURAL_NETWORKS_TARGET_DIR, BERT_DEFAULT_STATE_NAME)
-BERT_CONFIG_PATH = join(BERT_PRETRAINED_MODEL_PATH, "bert_config.json")
-BERT_CKPT_PATH = join(BERT_PRETRAINED_MODEL_PATH, "model.ckpt-30238")
-BERT_VOCAB_PATH = join(BERT_PRETRAINED_MODEL_PATH, "vocab.txt")
+BERT_PRETRAINED_MODEL_PATHDIR = join(NEURAL_NETWORKS_TARGET_DIR, BERT_DEFAULT_STATE_NAME)
+BERT_CONFIG_PATH = join(BERT_PRETRAINED_MODEL_PATHDIR, "bert_config.json")
+BERT_CKPT_PATH = join(BERT_PRETRAINED_MODEL_PATHDIR, "model.ckpt-30238")
+BERT_VOCAB_PATH = join(BERT_PRETRAINED_MODEL_PATHDIR, "vocab.txt")
 
 # Default Fine-tuned BERT.
 BERT_TARGET_DIR = DEFAULT_MODEL_DIR
 BERT_DEFAULT_FINETUNED = BERT_DEFAULT_STATE_NAME + '-finetuned'
-BERT_FINETUNED_MODEL_PATH = join(NEURAL_NETWORKS_TARGET_DIR, BERT_DEFAULT_FINETUNED)
-BERT_FINETUNED_CKPT_PATH = join(BERT_FINETUNED_MODEL_PATH, BERT_DEFAULT_STATE_NAME)
+BERT_FINETUNED_MODEL_PATHDIR = join(NEURAL_NETWORKS_TARGET_DIR, BERT_DEFAULT_FINETUNED)
+BERT_FINETUNED_CKPT_PATH = join(BERT_FINETUNED_MODEL_PATHDIR, BERT_DEFAULT_STATE_NAME)
 
 # The common output directory.
 OUTPUT_DIR = join(current_dir, "../../_output")
diff --git a/utils.py b/examples/utils.py
similarity index 100%
rename from utils.py
rename to examples/utils.py