Sentence 1: When I started the race, I was incredibly nervous. 
 Sentence 3: Seeing the one mile marker ahead, I increased my speed 
 Sentence 4:  Passing the two mile mark, I started to get a leg cramp 
 Sentence 5:  By mile five, I had to stop, and couldn't finish the race 
 Given Sentence 2: My girlfriend prefers a warm apartment.