A man in blue coveralls stands on a red train.
The train is completely empty of people.
A man can't be on an empty train.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_train(x3) & a_red(s2) & Theme(s2,x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_coverall(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists s1 x1 x2.(n_train(x1) & r_completely(s1) & of(s1,x2) & n_people(x2) & Theme(s1,x1) & a_empty(s1))