Sentence 1: I bought a build-it-yourself computer desk. 
 Sentence 3: I stared at them for what seemed like a long time 
 Sentence 4:  My little brother came home a few hours later 
 Sentence 5:  He put together my computer desk for me 
 Option 1: I emptied the contents out onto the floor. 
 Option 2: I hired someone to build it on the floor.