Given the task definition and input, reply with output. 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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Title: Jumper. Sentence 1: Anna and her friends were at a local watering hole. Sentence 2: There was a cliff where locals liked to dive or jump. Sentence 3: Anna wanted to try it, but her fear had always prevented her. Sentence 4: This time, though, she nerved herself up and climbed to the top. Choices: a. Ida was glad she'd given her son such a wonderful time. b. Then she jumped off the cliff - and yelled with joy all the way down!
a