A man waits for his train at the station.
A man is running down the train tracks.
One who is running can not also waits simultaneously.
exists e1 x1 x2 x3.(n_station(x3) & for(e1,x2) & at(x2,x3) & n_train(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_wait(e1) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_track(x2) & of(x2,x3) & n_train(x3) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_man(x1))