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 n-side to the p- side if the junction is forward biased
In the light of the above statement, 
choose the most appropriate answer from the options given below