Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Title: Arm Bracelet. Sentence 1: My son's friend Herb just came back from Texas. Sentence 2: He is from Boston and went to TX for a year. Sentence 3: Herb came back to live with his parents and younger brother Z. Sentence 4: Z felt badly for Herb, as he had no job. Choices: a. Z gave him his arm bracelet to cheer him up. b. The carpet was wet and sticky.
Student:
a