Sentence 1: The family approached the terminal to check out the new cruise ship. 
 Sentence 3: They begged their mother to let them sail on that ship some day 
 Sentence 4:  Their mother told them that she had a surprise for them 
 Sentence 5:  She said they were returning to the USA on that ship today 
 Option 1: The boys were upset to see the ship they had been reading about. 
 Option 2: The boys were excited to see the ship they had been reading about.