The two man are fixing something.
Two men are working with tools.
Just because two men are fixing something does not mean they are working with tools.
exists e1 x1 x2.(n_man(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_fix(e1) & n_thing(x2))
exists e1 x1 x2.(with(e1,x2) & n_tool(x2) & Actor(e1,x1) & v_work(e1) & n_man(x1) & card_eq_2(x1))