Three firemen are conversing next to a firetruck.
There are three police officers eating dinner.
Firemen are not the police.
exists e1 x1 x2.(to(e1,x2) & n_firetruck(x2) & r_next(e1) & Actor(e1,x1) & v_converse(e1) & n_fireman(x1) & card_eq_3(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & Theme(e1,x5) & Actor(e1,x4) & v_eat(e1) & n_dinner(x5) & (x2 = x4) & n_officer(x2) & of(x2,x3) & n_police(x3) & card_eq_3(x2))