Detailed Instructions: In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.
Q: Sentence1: Rico's wife made two bagged lunches. Sentence2: One lunch had a ham sandwich, the other had roast beef. Sentence3: Rico wanted the ham sandwich, so he grabbed that bag. Sentence4: Rico realized later that he grabbed the wrong bag.
A:
Rico begrudgingly ate the roast beef sandwich.