answer: #Person1# thinks sailing and water skiing are expensive. #Person2# suggests they sleep on the sand.
documents: #Person1#: Let's go to the seashore on Saturday.
  #Person2#: Yes! Let's go sailing and water skiing. That's so exciting.
  #Person1#: It's expensive, too. Let's just sit in the sun and go swimming instead.
  #Person2#: Yes. Let's sleep on the sand. That's most exciting!