Sentence 1: I was smoking a cigarette in my house. 
 Sentence 3: When my hand touched the ashtray, I flipped the tray over 
 Sentence 4:  I spilled ash everywhere and had to clean it up 
 Sentence 5:  When I was done cleaning it, I wanted to smoke another cigarette 
 Given Sentence 2: I finished the cigarette and put it out in an ashtray.