Directions: Read the following information carefully and answer the questions.

An uncertain number of persons are sitting in a linear row, facing the north.

Only four persons sit to the left of U. X sits fifth from the right end of the row. Only one person sits between N and G. T sits third to the right of U. Only two persons sit between N and T. N sits fourth to the left of X. F sits at the extreme right end of the row. Only one person sits between F and B. G sits second to the left of X. R sits to the immediate left of T. A sits second to the right of T.