premise: Four young boys flexing for the camera.
hypothesis: They are friends
explanation_1: Four boys do not need to be friends to be together.
explanation_2: Not all boys are friends.
explanation_3: Could just be classmates.  Specifically says friends
premise_logic: exists e1 s1 x1 x2 x3.(n_camera(x3) & a_topic(x1) & for(e1,x3) & Actor(e1,x2) & v_flex(e1) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_4(x1))
hypothesis_logic: exists p1 x1.(n_thing(x1) & exists x2.((x1 = x2) & n_friend(x2)))
premise_sim: exists e1 s1 x1 x2 x3.(v_flex(e1) & n_camera(x3) & n_boy(x1) & for(e1,x3) & card_eq_4(x1) & a_young(s1) & a_topic(x1) & Theme(s1,x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1.(n_thing(x1) & exists x2.(n_friend(x2) & (x1 = x2)))