DB5

5.1 Does Declarer Have a 4-card Major?

5.2 Does Declarer Have a 4-card Major this time?

5.3 Declarer Shapes Out

5.4 Holdings Are Dangerous

5.5 There Missing a Suit!

5.6 There Suit Isn't Running

5.7 Dummy Implies a Suit

5.8 Dummy Has a 5-card Suit

5.9 Declarer has Concerns

5.10 Declarer Likely 4333