Detailed 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.
Q: Title: Sunscreen. Sentence 1: Martha liked to spend a lot of time at the lake. Sentence 2: She was careless about using sunscreen when she was at the lake. Sentence 3: Over the years Martha suffered several severe sunburns. Sentence 4: Martha ended up getting skin cancer because of her time at the lake. Choices: a. While all eyes were on him, he sheepishly sat back down. b. Martha now avoids the sun by staying indoors.
A:
b