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

Please show work.