Sentence 1: Shawn was talking on a cell phone with his mother. 
 Sentence 3: He heard her say to buy three dozen eggs 
 Sentence 4:  The connection was bad 
 Sentence 5:  She had actually said 'the dozen eggs' and he severely overbought 
 Option 1: She was telling him what to buy at the grocery store. 
 Option 2: She was telling him how to paint the bathroom.