about compassion , sacrifice , and christian love 
(ROOT (PP (IN about) (NP (NP (NN compassion)) (, ,) (NP (NN sacrifice)) (, ,) (CC and) (NP (JJ christian) (NN love)))))
(ROOT (PP (IN ) (NP (NP (NN )) (, ) (NP (NN )) (, ) (CC ) (NP (JJ ) (NN )))))