Logic problems

Teams

  Andrew, Bernard, Claude, David, Eliot and Frank play in three teams of two persons.
Work out who the teams.
  1. Andrew is with Eliot or Frank.
  2. If Andrew is with Frank, then David is with Eliot.
  3. If Bernard is with Claude or David, then Andrew isn't with Eliot.
  4. If David is with Claude, then Bernard isn't with Frank.