A army guy is talking on his walkie-talkie.
A general is giving orders over his walkie-talkie.
Not every army guy is a general. Not every person talking on a walkie-talkie is giving orders.
exists e1 x1 x2 x3.(on(e1,x3) & n_walkie-talkie(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x1) & v_talk(e1) & n_guy(x1) & of(x1,x2) & n_army(x2))
exists e1 x1 x2 x3.(over(e1,x3) & n_walkie-talkie(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_order(x2) & n_general(x1))