Comic #4575: topology

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Description

Top Panel

• Character 1 (Child): "Mom, Dad, why do you have a giant inflatable Klein bottle hidden in the closet?"
• Character 2 (Parent): "Compromise. I'll say nothing more. Now go wash your hands."
• Character 3 (Adult): (looks on, neutral expression)

Bottom Panel

• Venn Diagram:
  • Left Circle: "HAVING SEX INSIDE"
  • Right Circle: "HAVING SEX OUTSIDE"
  • Intersection: "HAVING SEX NEAR A NON-ORIENTABLE SURFACE"