(S (S (NP (BASENP (DT The) (NNP Young) (NNP Earth) (NNP Creationist)) (SBAR (WHNP (WP who)) (S (VP (VP (VBD sent) (BASENP (JJ threatening) (NNS emails) (CC and) (NNS letters))) (PP (TO to) (NP (BASENP (NNS biologists)) (PP (IN at) (NP (NP (BASENP (DT the) (NNP University)) (PP (IN of) (BASENP (NNP Colorado)))) (PP (IN at) (BASENP (NNP Boulder))))))))))) (VP (ADVP (RB also)) (VP (VP (VBD sent) (BASENP (JJ threatening) (NNS letters))) (PP (TO to) (NP (BASENP (DT the) (NNP University) (NN chancellor) (NNP G.P.) (NNP Peterson)) (CONJP (ADVP (RB as) (RB well)) (IN as)) (NP (NP (BASENP (DT the) (NN vice-chancellor)) (PP (IN of) (BASENP (JJ undergraduate) (NN education)))) (CC and) (BASENP (NNS others)))))))) (PERIOD .))