With both sides vulnerable you are dealer with:
AKQJ1098
KJ
KQ6
A.
What is your opening bid?
1
2
4
Other
Partner responds 2, "waiting." Now what?
2
3
4
4NT
Other
Partner raises to 3. Now what?
Pass
3NT
4
4
4NT
Other
Partner answers 5. Let's assume you are using 1430, so partner has 1 keycard. And now?
5 (queen-ask).
5
5NT (king ask)
6
Other
The 10 is led. After you win the A, what will you play to trick 2?