Q: 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: Tom's Fishing Troubles. Sentence 1: Tom loved to go fishing on the lake with his dad. Sentence 2: On Friday, Tom's dad had a meeting and couldn't go fishing with Tom. Sentence 3: Tom decided to fishing by himself instead. Sentence 4: Tom saw a gigantic fish at the lake, but failed to catch it. Choices: a. He told his dad that night, who promised he would help next time. b. As the result, Jones was denied an upcoming promotion.
A:
a