Read the situation below and answer the questions that follow: A person X decided to act as a surety for another person Y who had obtained a loan from a bank. The surety was obtained from X on the ground that Y would also bring two more persons 'E' and 'F' also as co-sureties for the loan. 'E' and 'F' however never signed the agreement and did not join as sureties. Y defaulted on payment of the loan and the bank decided to sue X for recovery of the amount due from Y under the loan. In light of this situation, answer the following question: Explain the nature of liability for a surety.What is the potential defence which X can put up against the recovery proceedings by the bank?