In the following figure, the triangle represents actors, the square represents professors, the circle represents Indians and the rectangle represents fathers. Which set of letters represents Indians who are either professors or fathers?

Correct option is B

· Indians who are professors: Indians are in the circle, and professors are in the square. The intersection of the circle and the square gives regions C and E.
· Indians who are fathers: Indians are in the circle, and fathers are in the rectangle. The intersection of the circle and the rectangle gives regions E and F.
· Indians who are either professors or fathers: Combine the two groups above: Regions C, E, and F.