A soldier stands behind a temporary barrier.
The soldier is hiding behind the barrier waiting for the enemy.
A soldier standing behind a temporary barrier doesn't mean he's hiding or waiting for the enemy.
exists e1 s1 x1 x2.(behind(e1,x2) & n_barrier(x2) & a_temporary(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_soldier(x1))
exists e1 e2 x1 x2 x3 x4.(n_enemy(x4) & n_barrier(x2) & n_soldier(x1) & behind(e1,x2) & for(e2,x4) & Actor(e2,x3) & v_wait(e2) & (x2 = x3) & Actor(e1,x1) & v_hide(e1))