In 1979, he stopped at a Lexington clothing store to buy cowboy boots.
( ( In 1979 ) ( , ( he ( ( ( stopped ( at ( a ( Lexington ( clothing store ) ) ) ) ) ( to ( buy ( cowboy boots ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (CD 1979))) (, ,) (NP (PRP he)) (VP (VBD stopped) (PP (IN at) (NP (DT a) (NNP Lexington) (NN clothing) (NN store))) (S (VP (TO to) (VP (VB buy) (NP (NN cowboy) (NNS boots)))))) (. .)))
There were not cowboy boots at the store.
( There ( ( ( ( were not ) ( cowboy boots ) ) ( at ( the store ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD were) (RB not) (NP (NN cowboy) (NNS boots)) (PP (IN at) (NP (DT the) (NN store)))) (. .)))