Anchor: He also identifies a number of highly technical problems with the experiment that, he says, render it meaningless.
Entailed: He says, that a number of highly technial problems with the experiment that he identifies, render it meaningless.
Contradiction: He doesn't identify any problems with the experiment, and says that it's fine.
Contradiction: A girl is learning how to cook.
Contradiction: A large portion of mail involves a payment, so it's included in bill/payment.
Contradiction: a man is sleeping inside
Contradiction: Show your strength so you don't seem weak.