Instructions: In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.
Input: Title: Hospital Visit. Sentence 1: William was feeling very bad. Sentence 2: His wife brought him to the hospital. Sentence 3: The doctors ran tests on William. Sentence 4: All the tests came back negative. Choices: a. The hospital kept William for observation and then released him. b. She put the powder where her daughter wouldn't reach it.
Output:
a