Premise:
"Thanks, Hanson said "I wonder what it's like, being a true mandrake?" "Depends," the slave said easily."
Hypothesis: Hanson said "I have been a real mandrake before."

no

Premise:
"Did you pull away the football or did you let him kick it?"
Hypothesis: When you were playing football with him did you pull the ball away so he couldn't kick it and would fall?

it is not possible to tell

Premise:
"People discriminate even when it's against their own self-interest."
Hypothesis: People will always have prejudices no matter what.
yes