For each of the species below, identify any cyclic conjugated system, then:

A$.$ Determine the number of electrons in a system of cyclic conjugation $($zero if no cyclic conjugation$).$

B$.$ Specify whether the species is $"$a$"-$aromatic, $"$aa$"-$anti$-$aromatic, or $"$na$"-$non$-$aromatic $($neither aromatic nor anti$-$aromatic$).$

$($Presume rings to be planar unless structure obviously prevents planarity. If there is more than one conjugated ring, count electrons in the largest.$)$

$1.$

A$.$Electrons in a cyclic conjugated system.

B$.$ The compound is $($a$,$ aa$,$ or na$)$

$2.$

A$.$Electrons in a cyclic conjugated system.

B$.$The compound is $($a$,$ aa$,$ or na$)$

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