A military group stands at attention.
A military group is standing still, waiting for commands.
Standing at attention does not imply that they are waiting for commands.
exists e1 s1 x1 x2.(at(e1,x2) & n_attention(x2) & Actor(e1,x1) & v_stand(e1) & n_group(x1) & a_military(s1) & Theme(s1,x1))
exists e1 e2 s1 s2 x1 x2.(for(e1,e2) & for(e2,x2) & n_command(x2) & Actor(e2,x1) & v_wait(e2) & a_still(s2) & Manner(e1,s2) & Actor(e1,x1) & v_stand(e1) & n_group(x1) & a_military(s1) & Theme(s1,x1))