1♠ - 2♣ - 2♠ -

pass =    3 card ♠, aGF

2NT =    GF, balanced    ➤    3♣/♦/ = natural, very distributional ; 3♥    =    natural ; 3NT    =    TP

3♣    =    3+ card ♣ GF, natural, blanced

3♦    =    5+♣, GF, whatever RE's strength

3♠    =    GF, 3 card ♠ support

3NT =    TP, 15-17