Pick from: (I) had to go to the store and buy a tray of already made lasagna; (II) had to go to the store and buy some fruit and whipping cream; (III) cook the casserole;
Given those answer options, answer the question: I heard that Riley said would bring a casserole to the meeting they were about to have. And I was wondering What does Riley need to do before this?
A:
(III)