The positive integers x, y, and z are such that x is a factor of y and y is a factor of z. Is z even?
(1) xz is even.
(2) y is even.
AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficien
DEACH statement ALONE is sufficient.
EStatements (1) and (2) TOGETHER are NOT sufficient.