Name That Union

Given the names of 25 union crew members and 4 unions, the player will be able to categorize each crew member's name according to his or her union affiliation(s).

Each player must create a separate challenge sheet for every other player in the game. The player writes his or her name on each sheet as challenger, along with the name of the person being challenged.
Place a list of union members and their respective unions within easy reach, to be used as the answer key at the end of the game. Multiple copies (one per player) facilitate scoring.
Players must Challenge other players to be scored. The player with the most points wins.