Two small children with blond-hair are playing a drum, one is smiling.
The two children are having fun.
Just because the child is smiling doesn't mean the children are having fun.
exists e2 e1 s1 x1 x2 x3 x4 x5.(Theme(e2,x3) & Actor(e2,x1) & v_play(e2) & Theme(e1,x5) & Actor(e1,x4) & v_smile(e1) & (x3 = x5) & n_thing(x4) & card_eq_1(x4) & n_drum(x3) & with(x1,x2) & n_blond-hair(x2) & n_child(x1) & a_small(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(n_child(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_fun(x2))