Directions : Study the following information carefully to answer the given…

Directions : Study the following information carefully to answer the given questions:
Twenty-one persons have different designations i.e., CEO, MD, DGM, AGM, Manager and Clerk in a bank. The order of seniority is the same as given above i.e., CEO is the senior-most designation and Clerk is the junior-most designation. The number of persons working at any position is one more than its just senior post. For example- If three persons work as an AGM than four persons work as manager and so on.
P, T and W work at same post. S is senior to W. X is senior to U who does not designated as AGM. R and V work at same post. Neither B nor H work as manager but both work at same post. D, E and H work at same post but junior to Q and T. Q is junior to U. Same number of post is senior to Q and T. X is junior to N but senior to R. A, L and M work at same post. W does not work as Manager. R is neither Manager nor Clerk. Z and Y are senior to G and O.
Now these persons are transferred to different department i.e., HR, Marketing and Legal according to the given conditions below:
I. No transfer for top two posts and they become the leaders of HR, Marketing and Legal respectively according to the alphabetical series.
II. Persons whose name starts with a consonant which comes before M in the alphabetical series transfer to HR. III. Persons whose name starts with a consonant which comes after M in the alphabetical series transfer to Marketing.
IV. Rest will go to Legal department.

How many persons are transfer to Legal department?