Only trouble was, they had infinite ammunition...we only had so many bullets.
( ( ( ( ( Only trouble ) ( ( was , ) ( they ( had ( infinite ammunition ) ) ) ) ) ... ) ( we ( only ( had ( ( so many ) bullets ) ) ) ) ) . )
(ROOT (S (S (NP (RB Only) (NN trouble)) (VP (VBD was) (, ,) (SBAR (S (NP (PRP they)) (VP (VBD had) (NP (JJ infinite) (NN ammunition))))))) (: ...) (S (NP (PRP we)) (ADVP (RB only)) (VP (VBD had) (NP (ADJP (RB so) (JJ many)) (NNS bullets)))) (. .)))
They had a lot more bullets than we did.
( They ( ( had ( ( ( ( a lot ) more ) bullets ) ( than ( we did ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBD had) (NP (NP (ADJP (NP (DT a) (RB lot)) (JJR more)) (NNS bullets)) (SBAR (IN than) (S (NP (PRP we)) (VP (VBD did)))))) (. .)))