The credibility of the United States working with its European partners in NATO is on the line.
( ( ( The credibility ) ( of ( ( the ( United States ) ) ( ( working ( with ( its ( European partners ) ) ) ) ( in NATO ) ) ) ) ) ( ( is ( on ( the line ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN credibility)) (PP (IN of) (NP (NP (DT the) (NNP United) (NNPS States)) (VP (VBG working) (PP (IN with) (NP (PRP$ its) (JJ European) (NNS partners))) (PP (IN in) (NP (NNP NATO))))))) (VP (VBZ is) (PP (IN on) (NP (DT the) (NN line)))) (. .)))
European members of NATO might consider the US's efforts to be less credible.
( ( ( European members ) ( of NATO ) ) ( ( might ( consider ( ( the ( US 's ) ) ( efforts ( to ( be ( less credible ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ European) (NNS members)) (PP (IN of) (NP (NNP NATO)))) (VP (MD might) (VP (VB consider) (NP (NP (DT the) (NNP US) (POS 's)) (NNS efforts) (S (VP (TO to) (VP (VB be) (ADJP (RBR less) (JJ credible)))))))) (. .)))