Assertion: phosgene's odor | /r/HasProperty | insufficient warning signal
Facets:
value: for dangerously high phosgene levels
type: OTHER
Source sentences:
text: As a result, the odor of newly mown hay is an insufficient warning signal for dangerously high phosgene levels.  
text: As a result, the odor of newly mown hay is an insufficient warning signal for dangerously high phosgene levels.