Assertion (A): Wazir Nizam-ul-Mulk left Mughal Emperor Muhammad Shah to realize his own ambition of founding the State of Hyderabad. Reason (R): Muhammad Shah, instead of supporting his able Wazir, intrigued against him.

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