Premise: "A motorcycle racer is gesturing at somebody."\nHypothesis: "A man is giving another racer the finger."\nDo we know that the hypothesis entailed by the premise?
A step-by-step solution is:
it is not possible to tell
Motorcycle racer could be male or female.

Gesturing doesn't necessarily mean the finger.

.

The final answer: it is not possible to tell