Adjust questions, because we omitted the ADT section

VL1/content/VL1_questions_for_you.tex

@@ -7,11 +7,10 @@
 \item When are types checked in haskell?
 \item What are the differences between lists and pairs?
 \end{itemize}
-Does this compile? If not, fix it. Is this a total or a partial function?
+Is this a total or a partial function? Would you extend it? How?
 \begin{haskellcode}
-data IntOrDouble = MkDouble Double
-                 | MkInt Int
-
-f :: Int -> IntOrDouble
-f 0 = 0.5
+even :: Int -> Bool
+f 0 = True
+f 2 = True
+f 4 = True
 \end{haskellcode}