In the following figure, rectangle represents Opticians, circle represents Curators, triangle represents Campers and square represents Europeans. Which set of letters represents Opticians who are either Europeans or Campers?_x005F_x000D_ _x005F_x000D_

In the following figure, rectangle represents Opticians, circle repres

1.	In the following figure, rectangle represents Opticians, circle represents Curators, triangle represents Campers and square represents Europeans. Which set of letters represents Opticians who are either Europeans or Campers?_x005F_x000D_ _x005F_x000D_
A.	IDH
B.	DEF
C.	CID
D.	IBD
Answer» B. DEF