He is also returns to the boat without doing anything to help the divers in distress. Sam, on the other hand, goes to rescue the divers who are in distress. He manages to do so but in the process he pulls his back and requires medical care. All divers are very unhappy with Mike. Billy and Susie are annoyed that Mike did not come to their assistance. Which is true regarding Mike's duty to provide assistance to them during the dive?