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: Getting Lost. Sentence 1: Frank wanted to go camping with friends. Sentence 2: Nobody went with him. Sentence 3: He decided to go by himself. Sentence 4: Unfortunately he got lost getting to the campsite. Choices: a. Frank had to call for help and get saved. b. Erica moves and leaves her kids with their father.
a