Read the following information carefully and answer the question given below.

During a picnic, a game is being played. For the game, 9 people from R to Z (mix of boys and girls) have to stand in a vertical row. Boys are wearing yellow gloves and girls are wearing orange gloves. The row starts at top and with orange gloves. Boys and girls stand alternately in the row. Each position in the row can be occupied by one person only.

i) R stands seven places before S.
ii) Third orange gloves is T.
iii) Second boy after T is U.
iv) Fourth place in the row is occupied by V.
v) W stands ahead of R.
vi) X stands between T and R.
vii) Z is a girl.

Who among the following stands in the center of the row?