A child is looking at an exhibit.
The child is at the history museum.
It cannot be assumed that the exhibit is at a history museum.
exists e1 x1 x2.(at(e1,x2) & n_exhibit(x2) & Actor(e1,x1) & v_look(e1) & n_child(x1))
exists p1 x1 x2 x3.(n_museum(x2) & of(x2,x3) & n_history(x3) & n_child(x1) & at(x1,x2))