P(root) = 0 G(root) = 0 P(bar) = 501 G(bar) = 501 P(foo) = 500 G(foo) = 500 P(nobody) = (null) G(nobody) = (null) P(foo) = 500 G(foo) = 500 P(nobody) = (null) G(nobody) = (null) s_context: 49171 [ -16365]