A child is looking at an exhibit.
The child is interested in the exhibit.
Just because the child is looking does not mean it is interested.
exists e1 x1 x2.(at(e1,x2) & n_exhibit(x2) & Actor(e1,x1) & v_look(e1) & n_child(x1))
exists s1 x1 x2.(n_exhibit(x2) & n_child(x1) & in(s1,x2) & Theme(s1,x1) & a_interested(s1))