Man dressed in black stands on sidewalk facing away from crowd.
A gentleman is searching for his companion that he lost in the crowd.
A man is not always a gentleman and can be searching for his companion outside of the crowd he lost her in.
exists e1 s1 x1 x2 x3 x4 x5.(from(e1,x5) & n_crowd(x5) & r_away(e1) & in(e1,x2) & on(x2,x3) & n_face(x3) & of(x3,x4) & n_sidewalk(x4) & n_stand(x2) & a_black(s1) & Theme(s1,x2) & Theme(e1,x1) & v_dress(e1) & n_man(x1))
exists e1 p1 x1 x2 x3.(n_crowd(x3) & for(e1,x2) & Topic(x2,p1) & exists e2.(in(e2,x3) & Actor(e2,x1) & v_lose(e2)) & n_male(x1) & n_male(x1) & n_companion(x2) & of(x2,x1) & Actor(e1,x1) & v_search(e1) & n_gentleman(x1))