 
 <prompt> For India, e cost $1 to purify one gallon of fresh water. Each person need 1/2 gallon of fresh water everyday. For inside one family of 6, how much e go cost for fresh water for one day? <response>: ```The family need 3 gallons of water because 6 x .5 = 3
E go cost $3 because 3 x 1 = 3

The final answer: 3.``` 