Assume x and y are of type int. For each expression below, give values for x and y which make the expression false, or write none if the expression is always true and explain why.

A. ((x y) < 0)

B. (((x | (x + 1)) >> 31) & 0x1) == !x

C. (x (x>>31)) - (x>>31) > 0

D. ((x >> 31) + 1) >= 0

E. (!x | !!y) == 1