article: Nature Nurtures Farm plans to organize some charity  activities in this summer. It hopes to teach young people about charity. The farm wants to get about $30,000 through these activities .They will use the money to improve the public water system  in the city. Here is the information about these charity activities.
  Farm Festival
  Time: July 10th,9 a.m.--4 p.m.
  Place: Nature Nurtures Farm
   _ $10 for anyone 5 or older
  Other: you can enjoy music, feed farm animals, visit the fruit garden and take pictures.
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  Art show
  Time: July 18th,2 p.m.--5 p.m.
  Place: State Capital Museum
  Admission: Free
  Other: 67 works of art will be here. You can buy any one of them. The money will go to the city public water system.
   _ 
  Mentoring program 
  Time: August 7th. 10 a.m.--3 p.m.
  Place: Nature Nurtures Farm
  Admission: Free
  Other: Teens aged from 7 to 18 can join the program. Children with problems in helping others can get help from this program.
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question: why does Nature Nurtures Farm plan to organize some charity activities?
options: To make visitors have fun. To help young people know about farm. To help young people learn about charity. to listen to advice on the public water system.