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.

Input: Consider Input: Title: The Runaway Cat. Sentence 1: When Jo opened her door to go to work, her cat Mac escaped outside. Sentence 2: As Jo attempted to catch Mac, the cat ran away. Sentence 3: Jo chased after Mac until the cat climbed up a tree. Sentence 4: Jo climbed up the tree and grabbed Mac. Choices: a. Jo carried Mac back into the house and went to work. b. The waiter apologized even though it was Tom's fault.

Output: a

Input: Consider Input: Title: Sleeping Beauty. Sentence 1: Daniel crept into the bedroom to check on his daughter. Sentence 2: She was sleeping peacefully in her crib. Sentence 3: He knew he should let her sleep, but he couldn't help himself. Sentence 4: He tiptoed over and gave her a kiss. Choices: a. She put them in the freezer and will have homemade popsicles in 1 hour. b. She opened her eyes and smiled at him, then went back to sleep.

Output: b

Input: Consider Input: Title: Fish. Sentence 1: There was a beautiful fish in the stream. Sentence 2: Daddy went fishing. Sentence 3: He caught it! Sentence 4: Mother fried it in a pan. Choices: a. Baby ate it right up! b. Jessie directed her toward the information booth for better help.
Output: a