(S (S (BASENP (NNP Growing) (NNPS Generations)) (VP (VP (VBZ maintains) (BASENP (NN sperm) (NNS banks))) (CC and) (VP (ADVP (RB also)) (VP (VBZ arranges) (NP (BASENP (NN surrogacy)) (PP (IN for) (NP (BASENP (NN gay) (NN couples)) (SBAR (WHNP (WP who)) (S (VP (VBD wish) (S (VP (TO to) (VP (VB have) (BASENP (NNS children))))))))))))))) (PERIOD .))