A young lady is walking in the street.
The young woman rides her bike down the street.
The person is either walking in the street or she rides her bike.
exists e1 s1 x1 x2.(n_street(x2) & in(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_lady(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_street(x3) & n_bike(x2) & of(x2,x1) & n_female(x1) & n_woman(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & down(x2,x3))