--- a
+++ b/utils/data_loader.py
@@ -0,0 +1,16 @@
+# -*- coding: utf-8 -*-
+
+import numpy as np
+from utils import format_filename
+from config import PROCESSED_DATA_DIR, TRAIN_DATA_TEMPLATE, DEV_DATA_TEMPLATE, TEST_DATA_TEMPLATE
+
+
+def load_data(dataset: str, data_type: str):
+    if data_type == 'train':
+        return np.load(format_filename(PROCESSED_DATA_DIR, TRAIN_DATA_TEMPLATE, dataset=dataset))
+    elif data_type == 'dev':
+        return np.load(format_filename(PROCESSED_DATA_DIR, DEV_DATA_TEMPLATE, dataset=dataset))
+    elif data_type == 'test':
+        return np.load(format_filename(PROCESSED_DATA_DIR, TEST_DATA_TEMPLATE, dataset=dataset))
+    else:
+        raise ValueError('`data_type` not understood: {data_type}')