Two boys with unicycles stand outside of a street shop.
Two boys are waiting for their friend to get there.
Two boys outside a shop may not be waiting for their friend.
exists e1 x1 x2 x3 x4.(of(e1,x3) & n_shop(x3) & of(x3,x4) & n_street(x4) & r_outside(e1) & Actor(e1,x1) & v_stand(e1) & with(x1,x2) & n_unicycle(x2) & n_boy(x1) & card_eq_2(x1))
exists e1 p1 x1 x2 x3.(Topic(e1,p1) & exists e2 s1.(a_there(s1) & Manner(e2,s1) & Actor(e2,x1) & v_get(e2)) & for(e1,x3) & n_friend(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x2) & v_wait(e1) & n_boy(x2) & card_eq_2(x2) & n_boy(x1) & card_eq_2(x1))