Five friends are playing chess. Three are women—Laura, Mary, and Naomi—and two are men—Oliver and Paul. There are three chessboards in a row.
Naomi does not sit next to either Mary or Oliver.
Laura does not play Naomi.
The middle board always has two players.
If Mary plays Paul on the middle board and Paul does not sit between two other players, which one of the following is a complete and accurate list of those who might not have an opponent?