a)
b)
c)
(a), (b), and (c) are all equal.
(a) and (b) are equal.
(c) is greater than (a) and (b).
(a) is greater than (b) and (c).
(b) is greater than both (a) and (c).
(a) is greater than both (b) and (c).
(a), (b), and (c) are equal.
(b) and (c) are equal.