Help with LOOKUP/MATCH

I attacched a sample.

The problem is that the data is formatted like this

A      B      C
User A
    sent       1
    recived    5
User B
    sent       1
    recived    5
User C
    sent       2
    recived    3

User D
    sent       7
    recived    2

I need:
Max Sent = User D
Max Recived = User A,User B (or if is too difficult just the first occurence)

I tried using LOOKUP, MATCH, INDEX MAX with no results

Thanx