(S (S (SBAR (IN While) (S (BASENP (DT the) (NNS findings)) (VP (VBP suggest) (SBAR (IN that) (S (BASENP (NN parthenolide)) (VP (VBZ is) (NP (BASENP (DT a) (JJ good) (NN starting) (NN point)) (PP (IN for) (BASENP (JJ new) (NNS drugs)))))))))) (COMMA ,) (S (S (NP (BASENP (NNS people)) (PP (IN with) (BASENP (NN leukemia)))) (VP (VP (VBP are) (RB n't)) (VP (VBG being) (VP (VBN encouraged) (S (VP (TO to) (VP (VB take) (NP (BASENP (JJ high) (NNS doses)) (PP (IN of) (BASENP (NN feverfew))))))))))) (SBAR (IN as) (S (BASENP (PRP they)) (VP (VP (MD could) (RB not)) (VP (VB take) (NP (BASENP (JJ enough)) (PP (IN of) (NP (BASENP (DT the) (NN remedy)) (SBAR (S (VP (TO to) (VP (VB halt) (BASENP (DT the) (NN disease))))))))))))))) (PERIOD .))