question: Complete the next sentence:

How to whiten your teeth without spending a lot of money 
Try a tray or gel. 
Trays and gels designed to whiten teeth can be purchased over the counter at most supermarkets or drug stores. Such methods are fairly effective , 80% of users reporting results.

answer: Read the instructions on the gel and tray you purchase so you know exactly how the product should be used. Some trays should be worn for a few hours a day while others are worn every night.


question: Complete the next sentence:

Men are on the ocean doing windsurfing. A lot of men are on olympics doing windsurf on ocean. people

answer: is windsurfing in a competition on the sea.


question: Complete the next sentence:

A woman is talking about an elliptical exercise machine specially designed for women. alongside her

answer:
is the pro fitness expert who is demonstrating how the machine works.