A woman is riding a bike along a beach.
a lady rides her bike
The lady riding her bike in the second sentence is the woman riding her bike in the first.
exists e1 x1 x2 x3.(along(e1,x3) & n_beach(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_woman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x1) & n_female(x1) & n_lady(x1))