In a row of 6 people (X, Y, Z, A, B, C),…

In a row of 6 people (X, Y, Z, A, B, C), the following conditions apply: X sits at one end, Y sits immediately to the left of Z, and A sits exactly two seats to the right of B. If B cannot sit at either end, where must C sit relative to the group (X, Y, Z)?