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))))))))) (. .)))
The program was accessible only through partnership with Wal-Mart.
( ( The program ) ( ( ( was accessible ) ( only ( through ( partnership ( with Wal-Mart ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN program)) (VP (VBD was) (ADJP (JJ accessible)) (PP (RB only) (IN through) (NP (NP (NN partnership)) (PP (IN with) (NP (NNP Wal-Mart)))))) (. .)))