A man building a fire.
A man sleeping.
A man cant build a fire while sleeping.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_build(e1) & n_fire(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_man(x1))