Which is NOT a responsibility of the Department of Agriculture?

Question

1. The opening of foreign markets to U.S. agricultural products
=2. To oversee federal anti-hunger programs

3. The designation of lands for private and public use

4. Support for farmers with agricultural research

Answer 1

I disagree.

http://en.wikipedia.org/wiki/United_States_Secretary_of_Agriculture

Answer 2

Then is it number 3?