Assertion: zodiac's letter | /r/CapableOf | arrive at the san francisco examiner
Facets:
value: on august
type: TEMPORAL
Source sentences:
text: While Bay Area police departments, with the support of the FBI, worked feverishly to track down the killer, another letter soon arrived at the San Francisco Examiner.
text: On August 4, another letter arrived at the San Francisco Examiner.