Sentence 1: Joe brought home a can to collect for UNICEF. 
 Sentence 3: Everyone seemed happy to donate to the UNICEF can 
 Sentence 4:  Joe shook out a few coins, then emptied half the can 
 Sentence 5:  His teacher looked please when he turned it in 
 Option 1: He planned to bring the can trick-or-treating to fill it up. 
 Option 2: He planned to bring the can to karate class to fill it up.