Instruct: Given a premise, retrieve a hypothesis that is entailed by the premise.
Query: How to disinfect drinking water in the wilderness<br>Pack the proper water purifying equipment and chemicals. If you're backpacking you should have a high quality pump with a filter, and/or purifying tablets. Immerse the end of the pump where water flows in in the clearest portion of the water source that you can see.
water purifying is a science technique
A power washer will be able to clean off the filth from the gem.
one way to remove excess water is  to use a wet/dry vac. 
you could contaminate the medicine if you hands aren't washed with warm water
you should use anti bacterial water
Drinking water is a good idea
Syringes can be cleaned with bleach.
The narrator is commited to providing clean water
You can clean your bottle with gravel smaller than a golf ball.
A power washer will be able to clean off the filth from the dirty gem.
You can blot out liquid with a sponge.
the water has to be flowing
Polishing requires an increased intake of water.
If you use a power washer, you will be able to clean off the filth from the gem.
A cleaning with a power washer will be able to clean off the filth from the gem.
For nasal irrigation, you should use a distilled water to avoid infections.
Some water might contain harmful chemicals
Sometimes there can be a large amount of water flow.
You want to be sure to wash your hands first using an antibacterial soap, and to rinse them well with fresh mud.
The water from the main break is potable.
the water has to be clear
A power washer will be able to clean the quartz if there's a lot of mud or dirt.
the water has to be standing still
the water has to be cold to the touch
You should immerse the pump in the deepest part of the water.