That was the first time I saw them, the gue, the guerillas.
( That ( ( was ( ( the ( first time ) ) ( I ( saw ( ( them , ) ( ( ( the gue ) , ) ( the guerillas ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (VBD was) (NP (NP (DT the) (JJ first) (NN time)) (SBAR (S (NP (PRP I)) (VP (VBD saw) (NP (NP (PRP them)) (, ,) (NP (NP (DT the) (NN gue)) (, ,) (NP (DT the) (NNS guerillas))))))))) (. .)))
This was not the first time I had encountered the guerillas.
( This ( ( ( was not ) ( ( the ( first time ) ) ( I ( had ( encountered ( the guerillas ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBD was) (RB not) (NP (NP (DT the) (JJ first) (NN time)) (SBAR (S (NP (PRP I)) (VP (VBD had) (VP (VBN encountered) (NP (DT the) (NNS guerillas)))))))) (. .)))