(S (S (BASENP (DT The) (NNS men)) (VP (VBD were) (UCP (CC either) (UCP (UCP (BASENP (QT (DQL ``) (JJ biological) (DQR '')) (NNS brothers)) (CC and) (ADJP (JJ shared) (BASENP (DT the) (JJ same) (NN mother)))) (CC or) (NP (BASENP (QT (DQL ``) (JJ non-biological) (DQR '')) (NNS brothers)) (PP (PP (IN through) (BASENP (NN adoption))) (CC or) (PP (IN as) (NP (BASENP (NN half)) (CC or) (BASENP (NN step) (NNS siblings)))))))))) (PERIOD .))