context: How to run a mile quickly
Before you start, be sure to drink plenty of water.
You'll want to drink approximately. 25 of your weight but in ounces. If you drink too much, you will get a cramp which is sure to slow you down.
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next sentence for the context: But before the run it isn't all about water. Be sure that you get a good stretching in.

context: How to keep the nose moist to prevent nosebleeds
Use a humidifier.
You can use either a cool water humidifier or a vaporizer. When the air is very dry, any increase in humidity will help prevent a nosebleed.
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next sentence for the context: Moistening the air at night will also make it easier to breathe and to sleep. If you don't have a commercial humidifier, you can make one by putting a pot of water on the radiator/heating in the winter.

context: How to loosen a tooth
Wash your hands well.
Before you touch the tooth with your fingers, make sure you wash your hands really well. Use antibacterial soap and warm water to scrub your hands.
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next sentence for the context: Remove all dirt, bacteria, and germs on your hands. This will ensure they do not get into your mouth or onto the tooth when you touch it.

context: Women are standing on a beach playing voleyball. People are in the background sitting on the sand . man
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next sentence for the context:
is sitting on a deck chair watching the women play.