Disambiguation evidence for It's a Bird... It's a Plane... It's Superman via surface form

"It's Superman"

Triples (1)

Triples where some other subject referred to this entity as "It's Superman".

It's a Bird... It's a Plane... It's Superman → notableSong →

"It's Superman"

↳ resolves to It's a Bird... It's a Plane... It's Superman

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