A boy is adjusting a museum exhibit.
The boy is standing in front of an exhibit.
You can be adjusting a museum exhibit and standing in front of the exhibit are the same thing.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_adjust(e1) & n_exhibit(x2) & of(x2,x3) & n_museum(x3) & n_boy(x1))
exists e1 x1 x2 x3.(n_boy(x1) & in(e1,x2) & of(x2,x3) & n_exhibit(x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1))