Read the excerpt from a student’s essay. Video games can be fun and educational if used wisely. Unfortunately, they can also be a time waster. School students have to be careful and use video games wisely. Some video games are violent. Some children play video games too often and don’t do more productive activities. I hope you can all be more careful with video games.

Which is the best revision of the conclusion?

Kids need to watch out for dangerous video games.
Kids must use good judgement when playing video games.
Kids should spend more time playing video games.
Kids will be happier if they never play video games.