Sentence 1: Anne woke up with a terrible headache. 
 Sentence 3: Anne looked in her bathroom for some pain killers 
 Sentence 4:  When she couldn't find any, she asked her roommate for medicine 
 Sentence 5:  Anne's roommate gave her two tylenols to help with her headache 
 Given Sentence 2: They were in charge of getting lunches ready for each lunch period.