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.

Title: Change of Venue. Sentence 1: I belong to the Boston Street Railway Association. Sentence 2: It is a fan club for Boston transit buffs. Sentence 3: We met every first Saturday of the month at Tremont & Boylston Sts. Sentence 4: We were suddenly evicted in August and looked for a meeting place. Choices: a. We found one near Symphony Hall in Boston. b. We were grateful.
a