Jill asks to borrow Joe's lawn mower, even though Joe had told her that his mower frequently fails and has caused problems for him in the past. Eager to have her lawn looking pristine, she borrows the lawn mower and a part of the mower hits her in the face after she mowed over a thick branch from her oak tree. Jill sues Joe for her injuries. Joe has the defense of: Group of answer choices comparative fault comparative negligence. assumption of risk. contributory negligence