Two police officers are talking to two men who have a robot.
A group of men is talking.
The two police officers and two men make a group of men.
exists e2 e1 x1 x2 x3 x4 x5.(to(e1,x3) & Theme(e2,x5) & Actor(e2,x4) & v_have(e2) & n_robot(x5) & (x3 = x4) & n_man(x3) & card_eq_2(x3) & Actor(e1,x1) & v_talk(e1) & n_officer(x1) & of(x1,x2) & n_police(x2) & card_eq_2(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_talk(e1) & of(x1,x2) & n_man(x2) & n_group(x1))