But as we respect someone's rights, and as we profess tolerance, we shouldn't change -- or have to change -- our basic views on the sanctity of marriage. I believe in the sanctity of marriage. I think it's very important that we protect marriage as an institution, between a man and a woman.
The speaker believes that two men should be able to marry each other.
It's definitely incorrect because he clearly believes that marriage should only take place between a man and a woman. It's difficult because I used similar words from the text I suppose which confused the system.