premise: A man in a red shirt and a man in a brown shirt smiling at the camera and holding up a sign.
hypothesis: A man in a red shirt and a man in a brown shirt are holding a sign at a peace rally.
explanation_1: A man can hold a sign for something other than a peace rally.
explanation_2: Smiling at the camera does not imply that they are at a peace rally.
explanation_3: not every man holding up a sign is at the peace rally
premise_logic: exists e1 e2 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8.(n_camera(x6) & a_topic(s1) & a_up(s4) & Manner(e2,s4) & Theme(e2,x8) & Actor(e2,x7) & v_hold(e2) & n_sign(x8) & (s1 = x7) & at(e1,x6) & Actor(e1,x5) & v_smile(e1) & (s1 = x5) & subset_of(x3,s1) & in(x3,x4) & n_shirt(x4) & a_brown(s3) & Theme(s3,x4) & n_man(x3) & subset_of(x1,s1) & in(x1,x2) & n_shirt(x2) & a_red(s2) & Theme(s2,x2) & n_man(x1))
hypothesis_logic: exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(at(e1,x7) & n_rally(x7) & of(x7,x8) & n_peace(x8) & Theme(e1,x6) & Actor(e1,x1) & v_hold(e1) & n_sign(x6) & subset_of(x4,x1) & in(x4,x5) & n_shirt(x5) & a_brown(s2) & Theme(s2,x5) & n_man(x4) & subset_of(x2,x1) & in(x2,x3) & n_shirt(x3) & a_red(s1) & Theme(s1,x3) & n_man(x2))