Dora finds a diamond ring on a public sidewalk in front of Frank's Jewelry Store. The ring belongs to Emma but is not marked in any way to allow Dora to return it. Who has the best claim to ownership of the ring?

a. The province because it was found on public property

b. Dora because Emma did not label the ring to prove ownership

c. Emma because she is the original owner

d. Frank because it was found outside his jewelry store

e. Dora because she has possession of the ring