Assertion (A) : The success of the Turkes against the Indian rulers at the end of the 12th century was an event that exposed the weakness of the Indian armies.Reason (R) : Large scale conversions to Islam had depleted the numerical strength of the Indian armies.

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is not a correct explanation of A
• C. A is true but R is false
• D. A is false but 'T is true