Which of these vectors is in the span of {(1,0,1),(0,1,1)}\{(1, 0, 1), (0, 1, 1)\}{(1,0,1),(0,1,1)}?
(1,1,1)(1, 1, 1)(1,1,1)
(1,1,2)(1, 1, 2)(1,1,2)
(2,2,1)(2, 2, 1)(2,2,1)
(0,0,1)(0, 0, 1)(0,0,1)