Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) :

Assertion (A) :
Business accelerators are setup with the primary objective to offer mentorship and resources to speed up growth of startups.
Reason (R) :
Most of the startups face difficulties and challanges in their growth stage.

In the light of the above statements, choose the most appropriate answer from the options given below :