A man walking through a large grass-covered valley.
A woman is walking through a valley
a man is not a woman
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & through(e1,x3) & n_valley(x3) & a_grass-covered(s2) & Theme(s2,x3) & a_large(s1) & Theme(s1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(through(e1,x2) & n_valley(x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1))