I need to know the answer to this statistcs question

Forwhich of these events are the outcomes mutually exclusive? Circle Yes if theoutcomes are mutually exclusive or No if the outcomes are not mutuallyexclusive.a. Wearing sneakers to today’s statisticsclass or wearing sandals to today’s statistics classb. Being nervous or being afraidc. Being valedictorian of your high schoolclass or being salutatorian of your high school classd. Doing your homework or not doing your homeworke. Having a headache or having astomachache