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: John got a letter in the mail with no return address. Sentence 2: John opened up the envelope. Sentence 3: It was a handwritten note. Sentence 4: John read it several times. Sentence 5: It was from his foster dad, telling him who his real father was.

Father Letter