Two friends waiting to board the tour bus.
Friends are throwing eggs at the bus
The friends are either waiting to board the tour bus or throwing eggs at the bus
exists e1 p1 x1 x2 x3.(n_bus(x2) & of(x2,x3) & n_tour(x3) & Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_board(e2)) & n_friend(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_bus(x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_egg(x2) & n_friend(x1))