Assertion: tear gas's use | /r/CapableOf | begin in vietnam
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Source sentences:
text: So Lyndon Johnson, his secretary of state, secretary of defense, they all claimed that the use of CS beginning in 1965 in Vietnam was no big deal and nothing to be concerned about.
text: So Lyndon Johnson, his secretary of state, secretary of defense, they all claimed that the use of CS beginning in 1965 in Vietnam was no big deal and nothing to be concerned about.