premise: Firemen stand outside of their firetruck with all its lights on.
hypothesis: Policemen stand outside of their firetruck with all its lights on.
explanation_1: Firemen and policemen are different people.
explanation_2: It can't be policemen if they standing outside their firetruck.
explanation_3: firemen is not policemen
premise_logic: exists e1 s1 x1 x2 x4.(a_on(s1) & Manner(e1,s1) & all x3.((x3 = x4) -> (of(e1,x2) & with(x2,x3))) & n_light(x4) & of(x4,x1) & n_thing(x1) & n_thing(x1) & n_firetruck(x2) & of(x2,x1) & r_outside(e1) & Actor(e1,x1) & v_stand(e1) & n_fireman(x1))
hypothesis_logic: exists e1 s1 x1 x2 x4.(a_on(s1) & Manner(e1,s1) & all x3.((x3 = x4) -> (of(e1,x2) & with(x2,x3))) & n_light(x4) & of(x4,x1) & n_thing(x1) & n_thing(x1) & n_firetruck(x2) & of(x2,x1) & r_outside(e1) & Actor(e1,x1) & v_stand(e1) & n_policeman(x1))