Determine how many one-to-one correspondences are possible between two sets, (p, s, z, w, v) and {1, 2, 3, 4, 5).
given the following conditions.
a. If in each correspondence p must match with 1.
b. If in each correspondence p must match with 1 and s must match with 2.
c. If in each correspondence p, s, and z must match with an odd number.