Assertion: sign language's system | /r/HasProperty | various
Facets:
Source sentences:
text: The new sign language was combined with the various systems already in use in the United States to form ASL, which today is used by more than 500,000 deaf people in the United States and Canada; it is the fourth most common language in the United States.
text: Conn. The new sign language was combined with the various systems already in use in the United States to form ASL, which today is used by more than 500,000 deaf people in the United States and Canada, it is the fourth most common language in the United States.