Medical insurance is commonly known as health insurance and can be purchased from private insurance companies. Which of the following best describes the classes of medical insurance?

Coverage for hospital expense, non$-$major medical expense, surgical expense, and physician expense.

Coverage for comprehensive major medical expense, non$-$major medical expense, surgical expense, and physician expense.

Coverage for hospital expense, surgical expense, physician expense, and major medical expense.

Coverage for hospital expense, comprehensive major medical expense, non$-$major medical expense, and physician expense.