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.
Q: Title: Times of Need. Sentence 1: When it was close to Christmas John wanted to help others. Sentence 2: He decided to volunteer to feed homeless people. Sentence 3: He stood in a line for hours and distributed food to them. Sentence 4: After that he donated toys to be given to needy children. Choices: a. He killed and injured several people. b. He enjoyed it so much he vowed to do it again next year.
A:
b