Sentence 1: When i was in high school everyone had an Afro except John. 
 Sentence 3: John comment on our Afros everyday 
 Sentence 4:  His hair was getting shorter instead longer 
 Sentence 5:  The last day of school, everyone laugh when John wore an Afro wig 
 Given Sentence 2: He tried some of everything on his hair to make it grow faster.