added base datasets

enums.py

@@ -0,0 +1,23 @@
+from enum import Enum
+
+
+class TokenLabel(Enum):
+    ACTION = "ACTION"
+    TARGET = "TARGET"
+    PREPOSITION = "PREPOSITION"
+    CONJUNCTION = "CONJUNCTION"
+    MODIFIER = "MODIFIER"
+    OBJECT = "OBJECT"
+    VALUE_TOKEN = "VALUE_TOKEN"
+    NUMBER = "NUMBER"
+    UNIT = "UNIT"
+    TIME = "TIME"
+    DATE = "DATE"
+    ORDINAL = "ORDINAL"
+    COMPARATOR = "COMPARATOR"
+    FILTER_HINT = "FILTER_HINT"
+    PATH = "PATH"
+    PATTERN = "PATTERN"
+    URL = "URL"
+    TIMESTAMP = "TIMESTAMP"
+    RAW_PHRASE = "0"