A young lady is sitting in a yard.
The woman sits in the yard.
a young lady is a woman
exists e1 s1 x1 x2.(in(e1,x2) & n_yard(x2) & Actor(e1,x1) & v_sit(e1) & n_lady(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_yard(x2) & n_woman(x1) & in(e1,x2) & Actor(e1,x1) & v_sit(e1))