premise: Two men are making hand gestures and posing for a picture.
hypothesis: The men are standing in total darkness.
explanation_1: The first sentence does not suggest that the men are standing in total darkness.
explanation_2: Two men may pose for a picture and make hand gestures from any number of positions (standing, seated, etc.) and any number of lighting conditions (total darkness, bright light, etc.).
explanation_3: People don't pose for a picture in total darkness.
premise_logic: exists e2 e1 x1 x2 x3 x4 x5.(for(e2,x5) & n_picture(x5) & Actor(e2,x4) & v_pose(e2) & n_man(x4) & card_eq_2(x4) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_gesture(x2) & of(x2,x3) & n_hand(x3) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_man(x1) & in(e1,x2) & n_darkness(x2) & a_total(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1))
premise_sim: exists e2 e1 x1 x2 x3 x4 x5.(v_pose(e2) & v_make(e1) & of(x2,x3) & n_picture(x5) & n_man(x4) & n_man(x1) & n_hand(x3) & n_gesture(x2) & for(e2,x5) & card_eq_2(x4) & card_eq_2(x1) & Theme(e1,x2) & Actor(e2,x4) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 x1 x2.(v_stand(e1) & n_man(x1) & n_darkness(x2) & in(e1,x2) & a_total(s1) & Theme(s1,x2) & Actor(e1,x1))