Two people are taking pictures while a third is holding a camera.
people taking pictures for facebook
It cannot be inferred that the picture is for facebook.
exists e1 p1 x1 x2.(exists e2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_hold(e2) & n_camera(x4) & n_third(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & for(e1,x4) & n_facebook(x4) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_picture(x3) & (x1 = x2) & n_people(x1))