Assertion: The problem solving ability, mental performance and memory of the employees of company C are deteriorating. RI. Due to tight schedule at company C, the employees of the company are skipping their breakfast regularly. RII. The job is physical in nature, but not mental.

• A. Only RI and not RII is the reason for the assertion.
• B. only RII and not RI is the reason for the assertion.
• C. either RI or RII, but not both, is the reason for the assertion.
• D. neither RI nor RII is the reason for the assertion.