not everyone who is affected by fever$($F$)$ is tested covid positive$($C$).$ Patients exhibiting breathing difficulty$($D$)$ and body pain$($P$)$ are diagnosed as covid positive. There may be other symptoms of covid infections as well. Fever or body pains are symptoms of seasonal flue. USe propositional logic to efficiently present the knowledge base. with respect to below knowledge base from the results of part a$),$ convert it into CNF