Given below are a legal principle and a factual situation. Apply the given legal principle to the factual situation and select the most appropriate answer to the question given below:
Principle: A pact, other than a pact to commit suicide, to suffer any harm is not an offence, provided the age of the person who has given his consent to suffer harm is above eighteen years.
Factual Situation: A enters into a pact with B, a boy of less than 18 years of age, to fight (boxing) with each other for amusement. They agreed to suffer any harm which, in the course of such fighting, may be caused without foul play.A hurts B without intention and while playing fairlly. What will be the consequences?