Which of the following statements about group accidental death and dismemberment (AD&D) insurance is (are) true? 1. A percentage of the principal sum is paid for certain types of accidental dismemberment (such as loss of only one hand or one foot). II. The principal sum is paid only if the employee dies in an accident or loses two body parts (for example, both hands or both feet) in an accident. Oll only Ol only both I and II neither I nor 11