(S (S (BASENP (PRP He)) (VP (ADVP (RB also)) (VP (VBD added) (SBAR (IN that) (S (BASENP (PRP he)) (VP (VBD appreciated) (NP (BASENP (DT the) (JJ online) (NNS blogs)) (SBAR (WHNP (WP who)) (S (VP (VP (VBD brought) (BASENP (DT the) (NN error))) (PP (TO to) (BASENP (NN light))))))))))))) (PERIOD .))