This is what I came up with, looks correct or Not?

Thanks

See Screenshot Notes

Two patients came to the hospital with symptoms of COVID-19. The first one, P1 had the symptoms { Cough, Fever, Chills, Shortness of breath } P2 meanwhile had the symptoms { Cough, Muscle pain, Fever, Loss of taste} What is P1 0 P2 ? O { Cough, Muscle pain, Fever, Loss of taste, Chills, Shortness of breath} { Cough, Fever} O { Cough} O { Chills, Shortness of breath}