First, the horsemen brought out a teaser horse.
( First ( , ( ( the horsemen ) ( ( ( brought out ) ( a ( teaser horse ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB First)) (, ,) (NP (DT the) (NN horsemen)) (VP (VBD brought) (PRT (RP out)) (NP (DT a) (NN teaser) (NN horse))) (. .)))
The horsemen first brought out a preview horse.
( ( The horsemen ) ( first ( ( ( brought out ) ( a ( preview horse ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NN horsemen)) (ADVP (RB first)) (VP (VBD brought) (PRT (RP out)) (NP (DT a) (NN preview) (NN horse))) (. .)))