A young boy sits in a chair in a bookstore reading a book.
The boy is playing with a toy truck.
A person is either reading a book or playing with a truck but cannot be doing both activities at the same time.
exists e1 e2 s1 x1 x2 x3 x4.(for(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_read(e2) & n_book(x4) & in(e1,x3) & n_bookstore(x3) & in(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_sit(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_boy(x1) & with(e1,x2) & n_truck(x2) & of(x2,x3) & n_toy(x3) & Actor(e1,x1) & v_play(e1))