John was punching and punching at the wall but succeeded only in bloodying his knuckles. This was bad. He would be unable to hold his tools if he injured what?\nOptions:\n- hostility\n- anger\n- nose\n- fists\n- hands
Step-by-step reasoning process below:

User
If hands are injured, you are unable to hold anything. If the knuckles bleed due to continuous punching at wall, a person is unable to hold tools in his hands. The answer: hands.
Assistant