Q: You are given a sentence and a question in the input. The information provided in the sentence should be enough to answer the question. You're expected to write the correct answer. Do not use any facts other than those provided in the sentence.
Sentence: Joe wanted to know what was in it for him, so Isaac promised to bake him a cake with lots of frosting. 
Question: What was Isaac's job?
A:
Isaac bakes cake.