(S (S (S (BASENP (DT The) (JJ rear) (NNS wheels)) (VP (VP (VBP do) (RB not)) (VP (VP (VB go) (BASENP (PDT all) (DT the) (NN way))) (PP (IN into) (BASENP (DT the) (NN plane)))))) (COLON ;) (S (BASENP (DT the) (NN wheel)) (VP (ADVP (RB merely)) (VP (VP (VBZ retracts) (PP (IN into) (BASENP (DT an) (NN opening)))) (CC and) (VP (VBZ remains) (S (VP (VBN exposed)))))))) (PERIOD .))