Two men fish off of a cliff.
They catch nothing
Just because two men fish off of a cliff does not imply that they catch nothing
exists e1 x1 x2.(of(e1,x2) & n_cliff(x2) & r_off(e1) & Actor(e1,x1) & v_fish(e1) & n_man(x1) & card_eq_2(x1))
exists x1.(n_thing(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_catch(e1) & n_thing(x2)))