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: The activists were protesting. Sentence 2: A new pipeline was coming into the area. Sentence 3: The activists were worried about the environmental impact. Sentence 4: They carried signs and chanted. Sentence 5: The police showed up and arrested them all.

The Pipeline