A man in a red striped shirt looks at graffiti.
A man is painting the wall.
One cannot be painting a wall if they are looking at graffiti.
exists e1 s1 s2 x1 x2 x3.(at(e1,x3) & n_graffitus(x3) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_shirt(x2) & a_striped(s2) & Theme(s2,x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_wall(x2) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_man(x1))