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: Dino Man. Sentence 1: Bill was curious as a kid about the great dinosaurs. Sentence 2: Bill read every book about dinosaurs that he could find. Sentence 3: Bill went on to study dinosaurs in highschool and college. Sentence 4: Bill went into graduate studies in paleontology and biology. Choices: a. Now Bill is the world's leading authority on dinosaurs! b. For the next game, the boys split up more evenly.
a

Title: Tragedy strikes. Sentence 1: One day Keith was playing with his son Bryson. Sentence 2: He heard a loud noise bang from inside the house. Sentence 3: He went to check on his wife lyndie. Sentence 4: It was too late. Choices: a. Lyndie had been crushed by the family dresser. b. This was at a wedding.
a

Title: Lost Book. Sentence 1: I drove my teenage daughter to a concert one night. Sentence 2: I parked in a lot down the road and read a book. Sentence 3: I picked up my daughter after the concert and headed home. Sentence 4: I realized my book was missing, and drove 3 exits back to the lot. Choices: a. The book was in the parking lot, and I retrieved it. b. We were all disappointed, as it was very bland.
a