Title: Clean Air. Sentence 1: Every morning, Jill sneezed and coughed. Sentence 2: But she didn't know what caused it. Sentence 3: She cleaned up everything in her house. Sentence 4: But it didn't go away. Choices: a. And I figured that a fast wasn't going to work for me. b. After buying an air purifier, however, her problems went away.
b