Story needs to be completed:
Nick told Ryan they were having heart attack symptoms, so

My choice:
Ryan drove them to the hospital immediately.

Story needs to be completed:
Robert led the hiking expedition into the wilderness instead of Nelson because

My choice:
Robert was an experienced guide.

Story needs to be completed:
Samantha wants to prepare a juicy steak and asks Mary for an advice, because

My choice:
Mary is a chef.

Story needs to be completed:
Going to the prom was more exciting for Lawrence than Adam because

My choice:
Adam had a date he disliked.