Sentence 1: Paul had to take out the garbage to the curb. 
 Sentence 3: He then took the large can out to the curb 
 Sentence 4:  Once the garbage man came, he brought his empty can back inside 
 Sentence 5:  Paul put a new bag in the can and then washed his hands 
 Option 1: He took several small garbage cans and left them on the curb. 
 Option 2: He emptied all his small garbage cans into a large garbage can.