(S (S (PP (IN Before) (BASENP (DT the) (NN game))) (S (BASENP (PRP he)) (VP (VBD skylarked) (PP (IN by) (S (VP (VP (VBG riding) (BASENP (PRPD his) (NN wheelchair))) (PP (IN on) (BASENP (NN one) (NN wheel))))))))) (PERIOD .))