premise: A dark-haired man in a black uniform is speaking to a man wearing a black jacket and black helmet on a motorbike.
hypothesis: A man in a police uniform is talking to another man.
explanation_1: We have no idea if the uniform is a police uniform or not.
explanation_2: The fact that a man in uniform is speaking to another man doesn't imply that one man is in police uniform.
explanation_3: Black uniform does not necessarily mean police uniform.
premise_logic: exists e1 e2 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8.(to(e1,x3) & Theme(e2,x5) & Actor(e2,x4) & v_wear(e2) & on(x5,x8) & n_motorbike(x8) & n_helmet(x7) & a_black(s4) & Theme(s4,x7) & n_jacket(x6) & a_black(s3) & Theme(s3,x6) & subset_of(x7,x5) & subset_of(x6,x5) & (x3 = x4) & n_man(x3) & Actor(e1,x1) & v_speak(e1) & in(x1,x2) & n_uniform(x2) & a_black(s2) & Theme(s2,x2) & n_man(x1) & a_dark-haired(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(to(e1,x4) & n_man(x4) & -(x4 = x1) & n_man(x1) & n_man(x1) & Actor(e1,x1) & v_talk(e1) & in(x1,x2) & n_uniform(x2) & of(x2,x3) & n_police(x3))