Identify the major product from the following reaction sequence.

What type of difference is observed in the hybridization of carbon in benzene during nitration and the formation of the $\sigma$-complex?

Which compound is formed when benzene is boiled with concentrated $HCl$?

Which compound possesses the highest dipole moment?

What is the number of $\pi$ electrons present in pyridine?

Given below are two statements. One is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: $[6]-$Annulene,$[8]-$Annulene and cis$-10-$Annulene are respectively aromatic,non-aromatic and non-aromatic.
Reason $R$: Planarity is one of the requirements of aromatic systems.
In the light of the above statements,choose the most appropriate answer from the options given below.