A lady sleeps while seated in a yellow chair.
There is a person sleeping.
A lady is a type of person.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_chair(x3) & a_yellow(s1) & Theme(s1,x3) & while(e1,x2) & n_seat(x2) & Actor(e1,x1) & v_sleep(e1) & n_lady(x1))
exists p1 x1 x2 x3.((x1 = x2) & Time(x2,x3) & n_sleeping(x3) & n_person(x2))