Create an ENTITY RELATIONSHIP DIAGRAM based on the following business rules.

1. The NFL consists of two different conferences: AFC and NFC.

2. Each football team is part of one of the conferences. 3

. Each football team has many players who can play multiple positions.

4. A football team has one head coach, but multiple assistant coaches.

5. Each assistant coach is assigned to a sub-team/group of players: offense, defense, and special teams.

6. Positions are assigned to a sub-team (ie quarterback would be part of the offense)

7. Each sub-team could have multiple assistant coaches.