The claimant was a semi-professional rugby player contracted tDonfield RFC and his assailant was alsa semi-professional player with Rutland RFC. An altercation developed following a scrum involving the claimant and a Rutland player. The claimant had backed away, but the assailant threw a punch which caused a fracture of the claimant's jaw.Which of the following statements best describes where liability applies, if at all, under the doctrine of vicarious liability?