What is contract of guarantee, differentiate b/w Specific and continuing guarantee, identify which example given below is case of specific and continuing?

Example1: A, in consideration that B will employ C in collecting the rent of B's zamindari promises B to be responsible, to the amount of Rs. 5,000, for the due collection and payment by C of those rents.

Example 2: A guarantees payment to B of the price of the five bags of flour to be delivered by B to C and to be paid for in 3 months. B delivers five bags to C; C pays for them.