Splitting reset into pre and post reset.

src/model/model.py

@@ -21,13 +21,26 @@ class Model:
         self.translation = None
         self.sense = None
         
+        # choosing examples
+        self.chosen_examples = []
+        
         self.reset()
         self.modal_reset()
     
     def reset(self):
+        # do both resets at once
+        self.pre_reset()
+        self.post_reset()
+        
+    def pre_reset(self):
+        # the reset before updating models
         self.menu_target = None
         self.modal_shown = False
     
+    def post_reset(self):
+        # the reset after updating the models
+        self.chosen_examples = []
+    
     def modal_reset(self):
         self.modal = lambda: []