--the teachers were much more, I guess, I don't know???
( -- ( ( the teachers ) ( were ( ( ( ( much more ) ( , ( I guess ) ) ) , ) ( I ( ( do n't ) ( know ??? ) ) ) ) ) ) )
(ROOT (PRN (: --) (S (NP (DT the) (NNS teachers)) (VP (VBD were) (ADJP (ADJP (RB much) (JJR more)) (PRN (, ,) (S (NP (PRP I)) (VP (VBP guess)))) (, ,) (SBAR (S (NP (PRP I)) (VP (VBP do) (RB n't) (VP (VB know) (NP (NNS ???)))))))))))
I don't know, the teachers were ---??
( I ( ( do n't ) ( ( ( ( know , ) ( ( the teachers ) were ) ) -- ) ?? ) ) )
(ROOT (S (NP (PRP I)) (VP (VBP do) (RB n't) (VP (VP (VB know) (, ,) (SBAR (S (NP (DT the) (NNS teachers)) (VP (VBD were))))) (: --) (VP (VB ??))))))