Final answer:
The individuals sitting diagonally opposite to each other are P and R. So the correct answer is option A.
Step-by-step explanation:
To determine which persons are sitting diagonally opposite to each other, we need to analyze the given information. From the information provided, we know that T is not at the end of any row, S is second to the left of U, and R is the neighbor of T and is sitting diagonally opposite to S. Additionally, Q is the neighbor of U.
Based on this information, the individuals sitting diagonally opposite to each other are P and R. Therefore, option a. P AND R is the correct answer.