Boy's camp drill Sergeant with boys standing at attention.
The boys stand at attention inside the barracks.
We don't know if they are inside or outside.
exists e1 x1 x2 x3 x4 x5 x6 x7.(n_sergeant(x2) & of(x2,x4) & n_drill(x4) & of(x2,x3) & n_camp(x3) & of(x2,x1) & ne_nam_boy(x1) & a_topic(x2) & with(x2,x5) & at(e1,x7) & n_attention(x7) & Actor(e1,x6) & v_stand(e1) & (x5 = x6) & n_boy(x5))
exists e1 x1 x2 x3.(n_barracks(x3) & n_boy(x1) & inside(e1,x3) & at(e1,x2) & n_attention(x2) & Actor(e1,x1) & v_stand(e1))