Compounds Containing Nitrogen

Given below are two statements: one is labelled as Assertion $\mathbf{A}$ and the other is labelled as Reason $\mathbf{R}$ Assertion A : Aniline on nitration yields ortho, meta & para nitro derivatives of aniline. Reason $\mathrm{R}$ : Nitrating mixture is a strong acidic mixture. In the light of the above statements, choose the correct answer from the options given below