Assertion: london book fair | /r/HasProperty | held on march
Facets:
value: at olympia in west london
type: LOCATION
value: to 16
type: TEMPORAL
Source sentences:
text: It will be held on March 14 to 16 at Olympia in West London, and is expected to be attended by over 25,000 publishing professionals—from buyers to agents to librarians and authors like yourself.