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: Farming. Sentence 1: Mark's grandparents owned a farm. Sentence 2: Every summer he would travel and stay with them. Sentence 3: He loved helping out on the farm. Sentence 4: He didn't even mind getting up super early to start the day. Choices: a. When he grew up he started his own farm. b. They decided to adopt him and name him Paws.
a