Given the task definition and input, reply with output. 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: Minnie Balm. Sentence 1: Sarah loved tum-tums and played it every day. Sentence 2: Yesterday she walked into a convenience store, and saw a display. Sentence 3: The display had tons of of tum-tums lip glosses. Sentence 4: Sarah was very excited to see the lip glosses. Choices: a. Mitch's house was the talk of the neighborhood. b. She chose her favorite flavor, strawberry, and purchased it.
b