In the current tax year, Blake Smith provided more than half of the support for his cousin, niece, and a close family friend. Blake lives alone and sends a monthly support check to each person. None of the individuals whom Blake supports has any income or files a tax return. All three individuals are U.S. citizens. Which of the three people Blake supports can he claim as a dependent on his tax return? 

a. Cousin 

b. Niece 

c. Family friend 

d. None