(S (S (S (S (BASENP (DT The) (NN lead) (NN paint)) (VP (VBD was) (VP (VBN traced) (PP (TO to) (BASENP (DT an) (JJ un-authorised) (NN producer)))))) (CC and) (S (BASENP (DT that) (NN firm)) (VP (VBD was) (VP (VBN closed) (PRT (RP down)))))) (COMMA ,) (S (ADVP (RB however)) (S (BASENP (DT the) (ADJP (RBS most) (JJ recent)) (NN source)) (VP (VP (VBZ has) (RB not)) (VP (ADVP (RB yet)) (VP (VBN been) (VP (VBN located)))))))) (PERIOD .))