Possible Clues:

• It might show a Coke bottle, say
• Lichtenstein's work, or his father's?
• Warhol's 'Campbell's Tomato Juice Box,' e.g
• Lichtenstein's area
• Warhol's "Campbell's Soup Cans," e.g
• Warhol's soup can paintings and such
• Creative style for Rosalyn Drexler
• Andy Warhol's soup can paintings, e.g
• Andy Warhol was a proponent
• Aesthetic movement offering role outside work