uneven but a lot of fun . 
(ROOT (UCP (ADJP (JJ uneven)) (CC but) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NN fun)))) (. .)))
(ROOT (UCP (ADJP (JJ )) (CC ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))) (. )))