Out of the four figures that follow,you are to indicate which figure will best represent the relationship amongst the three classes: Sparrows,Birds,Mice.

• A
  $A$ figure showing three separate circles.
• B
  $A$ figure showing one large circle containing two smaller,separate circles.
• C
  $A$ figure showing one large circle containing one smaller circle,with a third circle separate from both.
• D
  $A$ figure showing three overlapping circles.