ODD ONE OUT I

In each set below, there are TWO items that don't belong with the others. Which ones are they and how are they different from the other two?

1)

DODGE

FORD

LINCOLN

HOOVER

2)

YELLOW

GREEN

DEAD

BLACK

3)

KING

EARL

KNIGHT

BISHOP

Answers:

1. DODGE (not a President) - HOOVER (not a car)

2. GREEN (not a sea) - DEAD (not a color)

3. EARL (not a chess piece) - BISHOP (not a title of nobility)