(a) has a propensity, tendency, or disposition known or which should be known to the keeper to attack unprovoked, to cause injury to, or to otherwise endanger the safety of human beings or domestic animals.

(b) when unprovoked and while on public or private property, bites a human being or domestic animal.

(c) when unprovoked and while on public or private property, that in a vicious and terrorizing manner attacks by growling, snapping, charging at, or otherwise approaches in a vicious and terrorizing manner a human being or domestic animal.

(d) is owned or harbored primarily or in part for the purpose of fighting, or any animal trained for fighting, or any animal bred for fighting, or any animal which is of a breed with predominate fighting characteristics.

(e) that has bitten or attempted to bite pedestrians or other persons as prohibited by Section 9.20.060.