When an injured party knows that a substantial and apparent risk is associated with certain conduct, and the party goes ahead with the dangerous activity anyway, the Restatements allow the tortfeasor to assert the defense of:

assumption of the risk

Explanation:

Here the assumption of risk is applied as the party who is injured is already aware of the risk but still wants to continue with the dangerous activity according to his wish. Also this doctrine does not permit an individual to recover the injuries i.e. substained as the party is already exposed himself for a danger

In addition to this, the risk of harm already built in the activity and the injured party also wants to participated in this kind of activity where he is well known

Therefore the given situation represent the assumption of the risk

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answer: b has a great day

explanation: