
### Instruction: help me answer this question Given, n(A) = 3 and n(B) = 2, and (x, 1), (y, 2), (z, 1) are in A × B, find A and B, where x, y and z are distinct elements., think step by step
### Assistant:  , The answer is Set A = {x, y, z}, Set B = {1, 2}
