Assertion: red line | /r/UsedFor | refer to multiple attacks
Facets:
Source sentences:
text: But despite the description of "mass exposure" to nerve gas, whether the "red line" has been crossed seemingly will depend on Obama's interpretation of how much gas was used and may also depend on whether Obama intended his "red line" to refer to multiple attacks and large-scale movement of weapons, not just a "whole bunch" of neurotoxins deployed at once.