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.

[EX Q]: Title: Street Fight. Sentence 1: Tom was standing outside of a bar. Sentence 2: He saw two guys getting into a fight. Sentence 3: One was beating up the other. Sentence 4: Tom yelled out for them to stop. Choices: a. They didn't listen to him. b. She didn't care anymore about being late.
[EX A]: a

[EX Q]: Title: Hiking. Sentence 1: Eric was planning to go solo hiking today. Sentence 2: He packed snacks and a lot of water the night before. Sentence 3: In the morning he headed out very early because the drive was long. Sentence 4: He gets there and there was already a ton of people. Choices: a. He ends up meeting a friend there and they hike together. b. I filled it up before I returned it so it would not happen to her too.
[EX A]: a

[EX Q]: Title: Fall. Sentence 1: I tried to take the dog out. Sentence 2: I put her on a leash. Sentence 3: She saw a cat in the yard. Sentence 4: She pulled so hard I fell down the steps. Choices: a. I hit the concrete hard and bruised my shoulder. b. Sam made sure not to let the cat back into his room.
[EX A]:
a