(S (S (NP (BASENP (NNP Raja) (NNP Sajid)) (PRN (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VBD was) (NP (BASENP (DT an) (NN eyewitness)) (PP (TO to) (BASENP (DT the) (NN incident))))))) (COMMA ,))) (VP (VP (VBD helped) (BASENP (NNS people))) (PP (IN into) (BASENP (DT the) (NNS ambulances))))) (PERIOD .))