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.

[EX Q]: Title: Sleeping Giant. Sentence 1: Michelle and Gary went hiking yesterday. Sentence 2: They were walking along the trail when they spotted a bear. Sentence 3: It was laying on the ground and they thought it was dead. Sentence 4: Gary poked the bear with stick. Choices: a. He put on his new shoes. b. The bear woke up and ran off.
[EX A]: a

[EX Q]: Title: Thirst. Sentence 1: Joe just finished running a mile. Sentence 2: And he really needed something to drink. Sentence 3: He headed towards the nearest water fountain. Sentence 4: But the water tasted odd and barely helped his thirst. Choices: a. It had been a very scary day for them. b. When he got home, he felt very weak and sick.
[EX A]: a

[EX Q]: Title: Rough River. Sentence 1: Tom went white water rafting with friends. Sentence 2: They tried to take on something out of their abilities. Sentence 3: The crashes were harder than they expected. Sentence 4: Tom constantly flipped over. Choices: a. He had to give up and go ashore. b. Sometimes, you just have to take a chance.
[EX A]:
b