Sentence 1: Gus lived in the city and had never seen a firefly. 
 Sentence 3: His Grandfather helped him find a jar to keep the lightning bugs in 
 Sentence 4:  Gus spent an hour catching the bugs and putting them in a jar 
 Sentence 5:  It was a night they would never forget 
 Option 1: He visited his Grandfather and was surprised by these light up bugs. 
 Option 2: He visited his Grandmother and was surprised by these light up bugs.