A young girl works on homework at a table.
The girl is sleeping.
The girl cannot be sleeping and working on her homework simultaneously.
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_table(x3) & on(e1,x2) & n_homework(x2) & Actor(e1,x1) & v_work(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1.(n_girl(x1) & Actor(e1,x1) & v_sleep(e1))