Write the next sentence in the following story.

The man is preparing his camera equipments. The men ride the helicopter. a man in a sailing boat

Choices:
[-] is sailing through the water.;
[-] floats at the top of the water attached to the man in the boat.;
[-] uses a rowing machine to get to the bottom of the rocky mountain.;
[-] floats past the man on the helicopter.;. The answer should be
is sailing through the water.