Solve the below problem:
Q: During 2012, Jenny, age 14, lives in a household with her father, uncle and Grandmother . The household is maintained by the uncle. The parties, all of whom File separate returns, have AGI as follows: Father ($30,000), uncle ($50,000), and Grandmother ($40,000).
A) Who is eligible to claim Jenny as a dependent?
B) Who has preference as to the exemption?