A boy sits in the library, reading a book.
Two girls throw a basketball outside.
A person can either be in the library or outside but cannot be both places at the same time.
exists e2 e1 x1 x2 x3.(n_library(x2) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_read(e2) & n_book(x3) & in(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_boy(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_outside(x2) & of(x2,x3) & n_basketball(x3) & n_girl(x1) & card_eq_2(x1))