(S (S (BASENP (DT The) (NN test) (NNS flights)) (VP (VBP are) (VP (VBG being) (VP (VBN used) (S (VP (TO to) (VP (VB monitor) (NP (BASENP (NN everything)) (PP (PP (IN from) (SBAR (WHADVP (WRB how) (RB easily)) (S (BASENP (DT the) (NN plane)) (VP (VBZ docks) (PP (IN at) (BASENP (DT the) (NN terminal) (NN gate))))))) (PP (TO to) (NP (BASENP (DT the) (NN way)) (SBAR (S (NP (BASENP (DT the) (JJ in-flight) (NN dining)) (CC and) (BASENP (NN entertainment) (NNS services))) (VP (VBP work))))))))))))))) (PERIOD .))