Sentence 1: Hiroshi and Taro were pretty good friends. 
 Sentence 3: Taro was very sad and wanted to cry 
 Sentence 4:  Hiroshi said he was very sorry and didn't do it on purpose 
 Sentence 5:  Taro told him it is alright, the model car isn't important anyways 
 Given Sentence 2: One day Hiroshi broke Taro's model car.