After 12 years in a business partnership, which sells tyres, Timothy wants to terminate Timothy and Polly's business partnership. Since Timothy's business partner, Polly, will be entitled to half the assets of the partnership at the time of the termination, he concludes a contract with a professional killer, Mr Assassin, in terms of which he will pay Mr Assassin the amount of R10 000 to kill Polly. The next day Polly dies of natural causes. Which ONE of the following statements is CORRECT? 1 Mr Assassin is not entitled to payment in terms of the contract because performance has become impossible. 2 Mr Assassin is not entitled to payment because the agreement between him and Timothy is contrary to public policy. 3 Mr Assassin is entitled to payment in terms of the contract because performance has become impossible. 4 Mr Assassin is not entitled to payment because it is an implied term of the contract that Polly must be killed by Mr Assassin, not die of natural causes