A woman is riding a bike along a beach.
A woman along the coast
A beach is on a coast, therefore the woman is on the coast in the second sentence.
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 x1 x2.(n_coast(x2) & a_topic(x1) & along(x1,x2) & n_woman(x1))