I doubt very seriously that she is a racist or uses such words. I doubt very seriously that she tells or responds favorably to such jokes.
On the other hand--I had a close relative who swore that the n-word had never crossed her lips. I knew she was lying because she explained to me what it meant when I was about 3 years old.
“I doubt very seriously that she is a racist or uses such words.”
No doubt.
It could be that each and every day, people walk into a deposition and commit perjury by making untrue statements that will lead to their losing a lawsuit.