Man sitting on chair fishing
the man is sitting
' Man sitting ' is a rephrasing of ' the man is sitting '.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_fishing(x3) & of(x3,x4) & n_chair(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_sit(e1))