Sentence 1: I've been trying to get pregnant for three years now. 
 Sentence 3: Ecstatic, I called my husband to let him know 
 Sentence 4:  As soon as I hung up, my doctor called me again 
 Sentence 5:  There was a clerical error and I'm not pregnant after all 
 Given Sentence 2: Before the official blew the whistle, one person had a false start.