the only thing that they had a great abundance of was uh you know human beings
( ( ( the ( only thing ) ) ( that ( they ( had ( ( a ( great abundance ) ) of ) ) ) ) ) ( was ( uh ( you ( know ( human beings ) ) ) ) ) )
(ROOT (S (NP (NP (DT the) (JJ only) (NN thing)) (SBAR (IN that) (S (NP (PRP they)) (VP (VBD had) (NP (NP (DT a) (JJ great) (NN abundance)) (PP (IN of))))))) (VP (VBD was) (VP (VBN uh) (S (NP (PRP you)) (VP (VB know) (NP (JJ human) (NNS beings))))))))
The only thing they had that was plentiful was people.
( ( ( The ( only thing ) ) ( they ( had ( that ( was plentiful ) ) ) ) ) ( ( was people ) . ) )
(ROOT (S (NP (NP (DT The) (JJ only) (NN thing)) (SBAR (S (NP (PRP they)) (VP (VBD had) (SBAR (IN that) (S (VP (VBD was) (ADJP (JJ plentiful))))))))) (VP (VBD was) (NP (NNS people))) (. .)))