Three members of the Guard march with their rifles in a ceremonial procession.
Thre menbers of the guard are standing to attention and saluting.
One cannot march and stand to attention at the same time.
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 x1 x2 x3 x4 x5 x6.(n_guard(x3) & to(e1,x4) & n_saluting(x6) & n_attention(x5) & subset_of(x6,x4) & subset_of(x5,x4) & Actor(e1,x1) & v_stand(e1) & of(x1,x3) & n_menber(x1) & (x1 = x2) & ne_nam_thre(x2))