Determine whether the following are entailment, presupposition, or both.

Question

1) (A) Mary murdered the platypus
(B) Mary killed something

Is the answer:
(a) entails (b)
OR (a) presupposes (b)
OR both

2) (A) John is taller than Mary
(B) Mary is shorter than John

Is the answer:
(a) entails (b)
OR (a) presupposes (b)
OR both