Sentence 1: Dan wanted to play a prank on his roommate, Joe. 
 Sentence 3: Dan pretended to be an idiot names Joshua 
 Sentence 4:  Dan was mortified to be informed of something later in the day 
 Sentence 5:  Dan learned that Joe's boss is named Joshua! 
 Option 1: Dan called Joe at his office. 
 Option 2: Dan had a fake sweepstakes representative call Joe at his office.