Two people are standing near their motorcycles.
Two people are sitting.
Two people can't be standing and sitting at the same time.
exists e1 x1 x2.(near(e1,x2) & n_motorcycle(x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))