A child smiling in a park
A child is riding a bike through the park.
Just because a child is smiling in a park doesn't imply child is riding a bike.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_park(x3) & Actor(e1,x2) & v_smile(e1) & (x1 = x2) & n_child(x1))
exists e1 x1 x2 x3.(n_park(x3) & through(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_child(x1))