A military group stands at attention.
A military group stands still.
Standing at attention means standing still. A military group standing at attention is a military group standing still.
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 s1 s2 x1.(a_still(s2) & Manner(e1,s2) & Actor(e1,x1) & v_stand(e1) & n_group(x1) & a_military(s1) & Theme(s1,x1))