3♥ | -4♣ | is Gamma in Hearts (5-card length assumed). Asking Bids established. |
-4♦ | is Gamma in Spades (5-card length assumed). Asking Bids established. | |
Immediate bids in either Major are to play unless obviously invitational (eg: at the 5-level, in which case the invitation is asking for trump quality and playing strength rather than necessarily points as such). All other bids are natural and non-forcing. |