Disambiguation evidence for Columbine High School massacre via surface form

"“Columbine” as shorthand for school shootings in the U.S."

Triples (1)

Triples where some other subject referred to this entity as "“Columbine” as shorthand for school shootings in the U.S.".

Columbine High School massacre → notablePhrase →
"“Columbine” as shorthand for school shootings in the U.S."
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