Sentence 1: At the funhouse, the three kids all started for the haunted house. 
 Sentence 3: Once inside, they quickly lost contact with each other 
 Sentence 4:  The various ghosts and ghouls frightened the wits out of the kids 
 Sentence 5:  The kids emerged from the house, sweaty but satisfied 
 Option 1: They did not keep constant contact by holding hands from the beginning. 
 Option 2: They promised each other to keep constant contact by holding hands.