(S (S (BASENP (DT The) (NNS arrays)) (VP (VBP consist) (PP (IN of) (NP (NP (BASENP (NN two) (JJ 115-foot-long) (NNS arrays)) (PRN (COMMA ,) (PP (IN for) (NP (BASENP (DT a) (JJ total) (NN wing) (NN span)) (PP (IN of) (BASENP (NN 240) (NNS feet))))) (COMMA ,))) (PP (VBG including) (NP (BASENP (DT the) (NN equipment)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBZ connects) (BASENP (DT the) (NN two) (NNS halves))) (CC and) (VP (VP (VBZ allows) (S (BASENP (PRP them)) (VP (TO to) (VP (VB twist))))) (SBAR (IN as) (S (BASENP (PRP they)) (VP (VBP track) (BASENP (DT the) (NN sun))))))))))))))) (PERIOD .))