Evan and Eileen Carter are husband and wife and file a joint return for 2018. Both are under 65 years of age. They provide more than half of the support of their daughter, Pamela (age 25), who is a full-time medical student. Pamela receives a $5,000 scholarship covering her tuition at college. They furnish all of the support of Belinda (Evan’s grandmother), who is age 80 and lives in a nursing home. They also support Peggy (age 66), who is a friend of the family and lives with them. How many dependents may the Carters claim?