Which of the following statements about tournament play is correct?
1) In round robin play, the top seeded team will never meet the 12th seeded team.
2) In a ladder tournament, a player may challenge any player above him/her in the ladder.
3) In a double elimination tournament, all byes must occur in the first round of play.
4) In a single elimination tournament, all byes must occur in the first round of play.
