Bidding practice

The most widely-played natural bidding system in North America. 5-card majors, strong 1NT (15-17), strong 2C, weak twos, Stayman, and Jacoby transfers.

North is the dealer. No one has bid yet. What is North’s opening call?

North

K 9 4
K 10 8 4
Q 8 7
A 6 3
HCP: 12
Shape: 3-4-3-3
Balanced: yes

Select North’s opening call: