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 friend Dave is ninety nine years old. Sentence 2: Yesterday he asked if I had children. Sentence 3: I told him he has asked that question several times over. Sentence 4: He told me he forgets some things. Sentence 5: His daughter told me the family is concerned about dementia.

Dementia