It is wrong to hit a woman in the face.
Paul is walking down the street when a crazy lady jumps out with a knife, demanding Paul's money.
Paul wants to defend himself.
Paul wrestles the knife away and pins the woman to the ground, then shouts for help.
Paul deflects the knife and punches the woman in the face repeatedly.
The bystanders call for help and the police arrest the woman.
Some bystanders see Paul assaulting the woman misinterpret what is happening.