Favorable, swiss

[mczen]

x KQT98x KQxxx Q

1H (1S) P (P)
2D? (P) 2S (P)
3H? (P) 4S (P)
?

(a) do you agree with 2D and 3H?

(b) your agreements here are "kickback when obvious".
Is it obviously kickback or does partner obviously have AK-8th of spades and a stick?