Sentence 1: Rob was playing Mortal Kombat against his parents wishes. 
 Sentence 3: One day his friend Alex came over and wanted to play 
 Sentence 4:  They played the game quietly to avoid being caught 
 Sentence 5:  They quickly pretended to be reading when Rob's mom came in the room 
 Option 1: He usually only played the game late at night while the slept. 
 Option 2: He and his friends only played the game after school while his parents were still at work.