Assertion: planetarium | /r/HasProperty | the third
Facets:
Source sentences:
text: The Observatory's planetarium was the third to be completed in the United States.
text: This made a Los Angeles observatory with a planetarium (only the third in America, behind Chicago and Philadelphia) an even more exciting proposition.
text: This made a Los Angeles observatory with a planetarium (only the third in America, behind Chicago and Philadelphia) an even more exciting proposition.