did just that and it 's what makes their project so interesting 
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(ROOT (S (S (VP (VBD ) (NP (RB ) (DT )))) (CC ) (S (NP (PRP )) (VP (VBZ ) (SBAR (WHNP (WP )) (S (VP (VBZ ) (S (NP (PRP$ ) (NN )) (ADJP (RB ) (JJ ))))))))))