A black man in a black garb stands in front of a subway train.
The man is waiting for his train to open.
Standing in front of a subway train doesn't necessarily imply waiting for the train to open.
exists s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & in(x2,x4) & of(x4,x5) & n_train(x5) & of(x5,x6) & n_subway(x6) & n_front(x4) & n_stand(x2) & of(x2,x3) & n_garb(x3) & a_black(s2) & Theme(s2,x2) & n_man(x1) & a_black(s1) & Theme(s1,x1))
exists e1 p1 x1 x2.(n_train(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & for(e1,x2) & Topic(x2,p1) & exists e2.(Actor(e2,x2) & v_open(e2)) & Actor(e1,x1) & v_wait(e1))