Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Title: The Lightning Storm. Sentence 1: Luke was an old fashioned rancher. Sentence 2: He took care of his cattle like his father taught him to. Sentence 3: But his father did not prepare him for tonight's storm. Sentence 4: The storm was huge, bearing a tornado, and headed for his cattle. Choices: a. Luke heroically rode into the storm and herded his cattle to safety. b. But when she walked into work on Monday, the police were waiting.
Student:
a