The villages Arriba and Abajo together have 2019 inhabitants.
At the annual festival are more than 2000 villagers this year.
When they form a huge circle for dancing, everyone calls happy:
"I'm dancing between one from Arriba and one from Abajo!"
The people from Arriba are clear minded, each of them has told the truth. The people from Abajo, however, are already very drunk, each of them was wrong.
How many inhabitants Arriba has at most?