Three members of the Guard march with their rifles in a ceremonial procession.
People are marching in a procession to celebrate the queen's birthday.
Members of the Guard processing aren't necessarily there to celebrate the queen's birthday.
exists s1 x1 x2 x3 x4 x5.(n_rifle(x4) & of(x4,x2) & n_thing(x2) & n_march(x2) & (x2 = x3) & ne_org_guard(x3) & a_topic(x1) & of(x1,x2) & with(x2,x4) & in(x4,x5) & n_procession(x5) & a_ceremonial(s1) & Theme(s1,x5) & n_member(x1) & card_eq_3(x1))
exists e1 p1 x1 x2 x3 x4 x5.(n_birthday(x5) & of(x5,x4) & n_queen(x4) & Topic(e1,p1) & exists e2.(Theme(e2,x5) & Actor(e2,x1) & v_celebrate(e2)) & in(e1,x3) & n_procession(x3) & Actor(e1,x2) & v_march(e1) & n_people(x2) & n_people(x1))