They have 2 options there:
1. You can chose the specific role of the players -> exact position
2. You can chose the group of roles (def,mid,attack) -> This is inline with what you think.

The 99T option means exact position.
I would really recommend the folks receiving this survey to PLEASE go through properly and select what you would like
Just random clicks will lead to further deterioration of the game.
Pity, I never get these surveys!