Setup

A, B, and C sit in row 1 facing south. X, Y, and Z sit in row 2 facing north, directly opposite them.

Clues

1. B sits in the middle of row 1.
2. Y sits opposite B.
3. A sits to the left of B in row 1.

Question

Who sits opposite A?

Answer

Z sits opposite A.

Solution

1. B is in the middle and Y faces B.
2. Since row 1 faces south, A's left is the observer's right.
3. A is therefore in the rightmost column, opposite Z.