diff --git a/NaturalLanguageGeneration.py b/NaturalLanguageGeneration.py
deleted file mode 100644
index e69de29..0000000
diff --git a/NaturalLanguageUnderstanding.py b/NaturalLanguageUnderstanding.py
deleted file mode 100644
index e69de29..0000000
diff --git a/DialoguePolicy.py b/Presenter.py
similarity index 100%
rename from DialoguePolicy.py
rename to Presenter.py
diff --git a/DialogueStateTracker.py b/View.py
similarity index 100%
rename from DialogueStateTracker.py
rename to View.py
diff --git a/model/DialoguePolicy.py b/model/DialoguePolicy.py
new file mode 100644
index 0000000..78af689
--- /dev/null
+++ b/model/DialoguePolicy.py
@@ -0,0 +1,3 @@
+class DialoguePolicy:
+    pass
+
diff --git a/model/DialogueStateTracker.py b/model/DialogueStateTracker.py
new file mode 100644
index 0000000..588a6dc
--- /dev/null
+++ b/model/DialogueStateTracker.py
@@ -0,0 +1,3 @@
+class DialogueStateTracker:
+    pass
+
diff --git a/model/NaturalLanguageGeneration.py b/model/NaturalLanguageGeneration.py
new file mode 100644
index 0000000..217fe0b
--- /dev/null
+++ b/model/NaturalLanguageGeneration.py
@@ -0,0 +1,4 @@
+class NaturalLanguageGeneration:
+    def get_frame(self, input_from_user):
+        pass
+
diff --git a/model/NaturalLanguageUnderstanding.py b/model/NaturalLanguageUnderstanding.py
new file mode 100644
index 0000000..f26d5cb
--- /dev/null
+++ b/model/NaturalLanguageUnderstanding.py
@@ -0,0 +1,3 @@
+class NaturalLanguageUnderstanding:
+    pass
+