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: My nephew posted a FB photo of his son and dog. Sentence 2: His 2 year old son was hugging the dog. Sentence 3: He wrote they were best friends. Sentence 4: My wife was babysitting once and saw the dog run from the boy. Sentence 5: I take things on FB with a grain of salt.

Boy and Dog