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: Sand crab. Sentence 1: Scott was on the beach when he felt a tickle on his neck. Sentence 2: His girlfriend squealed and jumped off of the blanket. Sentence 3: Scott jumped up too asked her what was wrong. Sentence 4: She pointed to a tiny crab crawling across their blanket. Choices: a. They both laughed. b. To top it off I bought many crates of Ramen.
[A]: a

[Q]: Title: The Crush. Sentence 1: Justin had a crush on Kate from the moment he saw her at school. Sentence 2: Kate always smiled and said hello, but Justin could only blush. Sentence 3: At the school dance, Justin saw Kate sitting quietly by herself. Sentence 4: Summoning every bit of his courage, Justin asked her to dance. Choices: a. Kate said yes. b. After that they played some duets with teacher.
[A]: a

[Q]: Title: Lawn needed mowing.. Sentence 1: Heather didn't feel good enough to mow her lawn. Sentence 2: She was feeling tired because of her anemia. Sentence 3: She offered money to her step son Christian if he would do it for her. Sentence 4: Christian agreed to mow her lawn for the money as he needed it. Choices: a. The lawn got mowed, Heather felt better, and Christian earned money. b. He gave me tips so I could do it myself.
[A]:
a