D

C 1

C 2

C 3

C 4

A 1

(0.8, 0.1)

(0.7, 0.1)

(0.3, 0.1)

(0.6, 0.7)

A 2

(0.3, 0.2)

(0.8, 0.2)

(0.5, 0.1)

(0.7, 0.5)

A 3

(0.7, 0.6)

(0.4, 0.7)

(0.2, 0.8)

(0.2, 0.3)

A 4

(0.2, 0.5)

(0.5, 0.3)

(0.4, 0.2)

(0.6, 0.5)