I also believe in the Golden Rule. And I agree with a lot of the other things that the governor has said. We do have a serious problem in our culture. Tipper and I have worked on the problem of violence in entertainment aimed at children. She's worked on it longer than I have.

Based on that paragraph can we conclude that this sentence is true?
The speaker is likely not Tipper herself.

Select from:
[a]. Yes.
[b]. It's impossible to say.
[c]. No.
[a].