2/1 Game force - Responder's second bid .
By the time Responder's second bid comes around you MAY have already
agreed upon a trump suit. that really
changes all ..
- but there are other scenarios, and you should be clear on how to handle them
Responder's first priority is to agree on the trump suit (or no-trump) with this bid.
next priority is to rebid his own 6-card (or longer) suit.
next priority is to try No trump.A NT bid guarantees a stopper in the fourth suit.
last resort is to bid the fourth suit.