A person in gray shirt is learning about the Wii system.
The console is white.
Not all Wii consoles are white.
exists e1 s1 x1 x2 x3 x4.(n_system(x3) & (x3 = x4) & ne_org_wii(x4) & about(e1,x3) & Actor(e1,x1) & v_learn(e1) & in(x1,x2) & n_shirt(x2) & a_gray(s1) & Theme(s1,x2) & n_person(x1))
exists s1 x1.(n_console(x1) & Theme(s1,x1) & a_white(s1))