Sentence 1: Ed got his oil changed. 
 Sentence 3: He called a tow truck 
 Sentence 4:  They took it back to the garage he had just left 
 Sentence 5:  The mechanic took the old oil out but forgot to put new oil in 
 Option 1: On the way home smoke started to come out of the engine. 
 Option 2: He won a free oil change from work.