A woman is riding a bike along a beach.
A woman rides a bike at sunset.
Riding a bike does not imply it is at sunset.
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 x3.(at(e1,x3) & n_sunset(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_woman(x1))