Ethan Competed in the Annual Austin Marathon This Year and Won

Ethan competed in the annual Austin Marathon this year and won a $25,000 prize for fastest wheelchair entrant. Ethan indicated that he would transfer the prize to the local hospital. How much of the prize should Ethan include in his gross income?

A) $25,000
B) $25,000 because all prizes are taxable
C) $0 because prizes transferred to charities are excludable
D) $0 because all prizes are excludable
E) $0 because prizes from charities are excludable