Four policemen or security officers are posing for a photo while two of them embrace.
The people are meeting for the first time.
Just because they embrace dosn't mean they are meeting for the first time.
(exists e1 p1 x1 x2.(exists e2 x3.(Actor(e2,x3) & v_embrace(e2) & of(x3,x1) & n_thing(x3) & card_eq_2(x3)) & n_thing(x1) & while(e1,p1) & for(e1,x2) & n_photo(x2) & Actor(e1,x1) & v_pose(e1) & n_policeman(x1) & card_eq_4(x1)) | exists e3 p2 x4 x5 x6.(exists e4 x7.(Actor(e4,x7) & v_embrace(e4) & of(x7,x4) & n_thing(x7) & card_eq_2(x7)) & n_thing(x4) & while(e3,p2) & for(e3,x6) & n_photo(x6) & Actor(e3,x4) & v_pose(e3) & n_officer(x4) & of(x4,x5) & n_security(x5)))
exists e1 s1 x1 x2.(n_time(x2) & a_first(s1) & Theme(s1,x2) & n_people(x1) & for(e1,x2) & Actor(e1,x1) & v_meet(e1))