A girl is looking at a tripod.
the girl is young
not every girl is young
exists e1 x1 x2.(at(e1,x2) & n_tripod(x2) & Actor(e1,x1) & v_look(e1) & n_girl(x1))
exists s1 x1.(n_girl(x1) & Theme(s1,x1) & a_young(s1))