Two valid deeds for the same property are recorded, one on May 5 and the other on May 10, in a state with a race-notice statute. Who wins?

a. The May 5 grantee if they paid $50,000 and had no legal notice that someone else has superior title

b. The May 10 grantee if the property was given to them as a gift

c. The May 5 grantee if they paid $50,000 and knew that there was a prior unrecorded deed

d. The May 10 grantee if they paid $50,000 and had no legal notice that someone else has superior title