Definition: In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.
Input: Sentence 1: Tom received his phone bill. Sentence 2: It was magnitudes higher than he expected. Sentence 3: Tom couldn't figure out why. Sentence 4: He then looked at his data. Sentence 5: He had been wasting it when he thought he was using wifi.

Phone Bill