A man setting up the cooker.
A man is building a wall.
One cannot set up the cooker and build a wall simultaneously.
exists e1 s1 x1 x2 x3.(n_cooker(x3) & a_topic(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_set(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_wall(x2) & n_man(x1))