A army guy is talking on his walkie-talkie.
An army guy requests back up.
Not every army guy on a walkie-talkie requests back up.
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 p1 x1 x2.(a_topic(x1) & exists e1 s1 x3.(a_up(s1) & Manner(e1,s1) & Actor(e1,x3) & v_back(e1) & n_request(x3)) & that(x1,p1) & n_guy(x1) & of(x1,x2) & n_army(x2))