Sentence 1: Charles loved to sail and swim. 
 Sentence 3: They met in Geology class 
 Sentence 4:  Charles boarded his new friend's boat and they went sailing 
 Sentence 5:  Charles gave his new friend the name Captain Jim 
 Option 1: He loved taking his boat out by himself. 
 Option 2: He was so happy when he made a friend who had a boat.