Assertion: elm's cultivar | /r/HasProperty | excluded
Facets:
Source sentences:
text: The National Elm Trial in North America, begun in 2005, is a nationwide trial to assess strengths and weaknesses of the 19 leading cultivars raised in the US over a ten-year period; European cultivars have been excluded.
text: The trees in the trial are exclusively American developments; no European cultivars have been included.