paid back down it uh
( ( ( paid ( back down ) ) it ) uh )
(ROOT (SINV (VP (VBD paid) (ADVP (RB back) (RB down)) (NP (PRP it))) (NP (VB uh))))
The debt was left to accumulate.
( ( The debt ) ( ( was ( left ( to accumulate ) ) ) . ) )
(ROOT (S (NP (DT The) (NN debt)) (VP (VBD was) (VP (VBN left) (PP (TO to) (NP (NNP accumulate))))) (. .)))