The known conditions

Office employee: zhang SAN leader li si, Cathy, zhao, six three leading Cathy li si, 6 two, zhao zhao six fifty leadership,
Marketing staff: leadership. And six zhao, greatly. Leader zhao.

Office table is as follows: marketing form is as follows:
Subordinate leadership subordinates
Tom, dick and harry zhao greatly.
Six li si zhao. Zhao six
Fifty six zhao
Li si fifty

To form the subordinate and leadership are random, is not a progressive transformation relations, how to query the tallest leadership?
Zhao six such as input, result is zhang SAN and greatly
Input fifty and come out the result is zhang SAN