$15$ points

$2.$ Name the valid argument form of each of the following arguments:

$-(C^{{?}^{?}}D)E$

a$)\frac{-(C^{{?}^{?}}D)}{?}$

:$.E$

$(A-B)vvC$

d$)-(A-B)$

:$.C$

$-R(G^{{?}^{?}}H)$

b$)G^{{?}^{?}}H$

:$.R$

$-S(T^{{?}^{?}}R)$

e$)(T^{{?}^{?}}R)$

:$.S$

$A(BC)$

c$)A$

:$.BC$