The program soon expanded to other vendors, including apparel suppliers, who entered their own  trading partnerships with Wal-Mart.
( ( The program ) ( soon ( ( ( ( expanded ( to ( other vendors ) ) ) , ) ( including ( ( ( apparel suppliers ) , ) ( who ( ( entered ( their ( own ( trading partnerships ) ) ) ) ( with Wal-Mart ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NN program)) (ADVP (RB soon)) (VP (VBD expanded) (PP (TO to) (NP (JJ other) (NNS vendors))) (, ,) (PP (VBG including) (NP (NP (NN apparel) (NNS suppliers)) (, ,) (SBAR (WHNP (WP who)) (S (VP (VBD entered) (NP (PRP$ their) (JJ own) (NN trading) (NNS partnerships)) (PP (IN with) (NP (NNP Wal-Mart))))))))) (. .)))
Apparel suppliers began using the program after creating a trade partnership with Wal-mart.
( ( Apparel suppliers ) ( ( began ( ( using ( the program ) ) ( after ( ( creating ( a ( trade partnership ) ) ) ( with Wal-mart ) ) ) ) ) . ) )
(ROOT (S (NP (NN Apparel) (NNS suppliers)) (VP (VBD began) (S (VP (VBG using) (NP (DT the) (NN program)) (PP (IN after) (S (VP (VBG creating) (NP (DT a) (NN trade) (NN partnership)) (PP (IN with) (NP (NNP Wal-mart))))))))) (. .)))