A black man is sitting in his chair staring off into the distance.
A person is sitting
A man is sitting in his chair so he is the person sitting
exists e2 e1 s1 s2 x1 x2 x3.(n_distance(x3) & for(e1,e2) & into(e2,x3) & a_off(s2) & Manner(e2,s2) & Actor(e2,x1) & v_stare(e2) & in(e1,x2) & n_chair(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_person(x1))