Some people are standing outside at a sidewalk book sale.
A bookstore is on fire.
A sidewalk book sale occurs when is no physical bookstore.
exists e1 s1 x1 x2 x3 x4.(at(e1,x2) & n_sale(x2) & of(x2,x4) & n_book(x4) & of(x2,x3) & n_sidewalk(x3) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & n_people(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_fire(x2)) & n_bookstore(x1))