The Greek says “We have the Parthenon!”
The Indian replies “Well we have the Taj Mahal.”
The Greek says “We gave birth to advanced mathematics!”
The Indian replies “But we invented the number zero.”
The Indian says “We invented the caste system”.
The Greek replies “But we invented democracy!”
After some more arguing back and forth between them, the Greek finishes with what he thinks will make him win.
With a flourish of finality he exclaims, “We invented sex!”
Calmly, the Indian replies “That may be true, but we were the ones who introduced it to women.”