refreshing gfe example

examples/animal/Questions.gf

@@ -0,0 +1,10 @@
+-- Simple questions and answers, in present tense.
+
+abstract Questions = {
+  cat 
+    Phrase ; Entity ; Action ;
+  fun
+    Who    : Action -> Entity -> Phrase ;           -- who chases X
+    Whom   : Entity -> Action -> Phrase ;           -- whom does X chase
+    Answer : Entity -> Action -> Entity -> Phrase ; -- X chases Y
+}