Assertion: mural | /r/CreatedBy | local artists
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Source sentences:
text: A dozen murals were created by local artists based on op-art, Pop art and Neo Geo designs such as Mort Epstein's huge electric outlet (1974) on the side of the Union building on Euclid Ave., and Susan Todys and Jody Trivison's op-art mural at 18th St. and St. Clair (1973).