Women in robes walk across a marble floor.
Women are walking across a wooden floor
The floor can either be marble or wooden, but not both.
exists e1 x1 x2 x3 x4.(across(e1,x3) & n_floor(x3) & of(x3,x4) & n_marble(x4) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_robe(x2) & n_woman(x1))
exists e1 s1 x1 x2.(across(e1,x2) & n_floor(x2) & a_wooden(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1))