Let W=span{(1,0,1),(0,1,1),(1,1,2)}W = \text{span}\{(1, 0, 1), (0, 1, 1), (1, 1, 2)\}W=span{(1,0,1),(0,1,1),(1,1,2)}. What is the dimension of WWW?
111
222
333
000