If `A = {(x,y) : y = 1/x, x\ne0, x \in mathbb{R}}` and `B = {(x,y) : y = -x, x \in mathbb{R}}`, then which of the following is true?-
(a) `A \cap B = A`, (b) `A \cap B = B`, (c) `A \cap B = \phi`, (d) None of these.