Instructions: In this task, you're given four sentences of a story written in natural language. The given story is not complete and your job is to complete the story by selecting one of the end sentence choices from (A) and (B), such that the story does not sound complete and coherent, i.e., select an incorrect end sentence.
Input: Sentence1: Rob like salsa. Sentence2: So his friend Tom got him a large case of a rare variety. Sentence3: Tom was excited to give the gift to Rob. Sentence4: Rob opened the gift in disbelief and drew a smile. 
 (A) Rob was happy. (B) Rob was disappointed.
Output:
B