premise: A man in a red shirt and a man in a brown shirt smiling at the camera and holding up a sign.
hypothesis: Two men display a sign to the camera.
explanation_1: A man and a man are two men.  Display is a rephrasing of holding.
explanation_2: A man and another man are two men in total, and they are holding up a sign while smiling at the camera, so they are displaying a sign to the camera.
explanation_3: Holiding up a sign can be described as displaying a sign.
premise_logic: exists e2 e1 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 x1 x2 x3.(n_camera(x3) & to(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_display(e1) & n_sign(x2) & n_man(x1) & card_eq_2(x1))
premise_sim: exists e2 e1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8.(v_smile(e1) & v_hold(e2) & subset_of(x3,s1) & subset_of(x1,s1) & n_sign(x8) & n_shirt(x4) & n_shirt(x2) & n_man(x3) & n_man(x1) & n_camera(x6) & in(x3,x4) & in(x1,x2) & at(e1,x6) & a_up(s4) & a_topic(s1) & a_red(s2) & a_brown(s3) & Theme(s3,x4) & Theme(s2,x2) & Theme(e2,x8) & Manner(e2,s4) & Actor(e2,x7) & Actor(e1,x5) & (s1 = x7) & (s1 = x5))
hypothesis_sim: exists e1 x1 x2 x3.(v_display(e1) & to(e1,x3) & n_sign(x2) & n_man(x1) & n_camera(x3) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1))