Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Diffusion current in a p-n junction is greater than the drift current in magnitude if the junction is forward biased.
Reason R: Diffusion current in a p-n junction is from the $\mathrm{n}$-side to the p-side if the junction is forward biased.
In the light of the above statements, choose the most appropriate answer from the options given below