Used after opening by opponents with 5-5 and 8+ HCP :
- for Sayc i 21GF entry 2♣ after natural opening 1♣ or 2♢ after natural opening 1♢ means 5♡5♠;
- for WJ4D i WJ5D entry 2♢ after opening 1♣/1♢ means 5♡5♠;
- entering the opponent's suit without jumping means the two majors fives not counting the opponent's suit;
- 2NT entry with a jump means the two minors fives not counting the opponent's suit.