Benchmarked by U.S.
( Benchmarked ( by U.S. ) )
(ROOT (VP (VBN Benchmarked) (PP (IN by) (NP (NNP U.S.)))))
Canada benchmarked it.
( Canada ( ( benchmarked it ) . ) )
(ROOT (S (NP (NNP Canada)) (VP (VBD benchmarked) (NP (PRP it))) (. .)))