A tall man in a gray suit walking towards the train.
The man in a gray suit is crawling towards the train.
The man cannot be simultaneously walking and crawling.
exists e1 s1 s2 x1 x2 x3 x4.(n_train(x4) & a_topic(x1) & in(x1,x2) & towards(e1,x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_suit(x2) & a_gray(s2) & Theme(s2,x2) & n_man(x1) & a_tall(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_train(x3) & n_man(x1) & towards(e1,x3) & Actor(e1,x1) & v_crawl(e1) & in(x1,x2) & n_suit(x2) & a_gray(s1) & Theme(s1,x2))