General Studies · Venn Diagram

In a Venn diagram representation, a circle represents people who visited Bhopal, a triangle represents people who visited Kochi, and a square represents people who visited Patna. Region 1 is inside the circle and triangle but outside the square, region 2 is inside all three, region 4 is only in the circle, and region 5 is only in the square. Which region represents people who visited both Bhopal and Kochi but not Patna?