premise: A man wielding an electric razor is gleefully shaving away another man's hair.
hypothesis: The two men are brothers.
explanation_1: You can not infer they are brothers.
explanation_2: Two men helping each other are not necessarily brothers.
explanation_3: Two men shaving does not imply that they are brothers.
premise_logic: exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5.(a_gleefully(s3) & Manner(e2,s3) & a_away(s2) & Manner(e2,s2) & Theme(e2,x5) & Actor(e2,x1) & v_shave(e2) & n_hair(x5) & of(x5,x4) & n_man(x4) & -(x4 = x1) & n_man(x1) & n_man(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wield(e1) & n_razor(x3) & a_electric(s1) & Theme(s1,x3) & (x1 = x2))
hypothesis_logic: exists p1 x1.(n_man(x1) & card_eq_2(x1) & exists x2.((x1 = x2) & n_brother(x2)))