Assertion: american bison | /r/CapableOf | become since may 9th
Facets:
Source sentences:
text: Since May 9th, 2016, the American Bison became the national mammal of United States, thanks to the National Bison Legacy Act signed by President Obama.
text: Since May 9th, 2016, the American Bison became the national mammal of United States, thanks to the National Bison Legacy Act signed by President Obama.