Sentence 1: The last float in the Christmas parade had a band on it. 
 Sentence 3: When the float reached us my brother ran out and jumped on the it 
 Sentence 4:  I could hear him singing Feliz Navidad all the way down the street 
 Sentence 5:  I could tell it was him because he always sings that song flat! 
 Given Sentence 2: One hot summer day, his friends invited him to a water park.