Assertion: tear gas | /r/UsedFor | refer to chemical compounds
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Tear gas usually refers to the chemical compounds known as chloroacetophenone (CN) and chlorobenzylidenemalononitrile (CS).
text: Tear gas usually refers to the chemical compounds known as chloroacetophenone (CN) and chlorobenzylidenemalononitrile (CS).