Sentence 1: The Chinese observe Ching Ming every year. 
 Sentence 3: I found a red receptacle for the money in a Chinese supermarket 
 Sentence 4:  Normally one threw the receptacle away, for superstitious reasons 
 Sentence 5:  I kept it on our porch for years 
 Given Sentence 2: They visit the graves of family members and burn paper money.