From the following identify the groups that exhibit negative resonance $(-R)$ effect when attached to conjugated system

$$ \begin{array}{ccccc} \text { Formyl } & \text { Amino } & \text { Alkoxy } & \text { Cyano } & \text { Nitro } \\ A & B & C & D & E \end{array} $$

Identify the ortho and para-directing groups towards aromatic electrophilic substitution reactions from the following list

$$\mathrm{\mathop { - OH}\limits_I \mathop { - CN}\limits_{II} \mathop { - C{O_2}H}\limits_{III} \mathop { - OC{H_3}}\limits_{IV} \mathop { - NHCOC{H_3}}\limits_V \mathop { - CHO}\limits_{VI}}$$

The compound or ion which is not aromatic in the following is