Sentence 1: Jacob tried to propose to Lisa at a basketball game. 
 Sentence 3: Except, Jacob didn't propose during a break in the game 
 Sentence 4:  Some people booed, because Jacob was distracting them from the game 
 Sentence 5:  Security-guards escorted Jacob and Lisa from the game 
 Given Sentence 2: When Jacob got down on one knee, most of the crowd cheered.