premise: Two men are assisting a small girl in a harness.
hypothesis: There are two women helping a boy with a harness.
explanation_1: It is either two men or two women  helping the child.  It is either a boy or girl that is being helped.
explanation_2: Two men and women are helping other individuals in both the sentences.
explanation_3: men are not the same as women and a girl is not the same as a boy.
premise_logic: exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_assist(e1) & in(x2,x3) & n_harness(x3) & n_girl(x2) & a_small(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & with(e1,x5) & n_harness(x5) & Theme(e1,x4) & Actor(e1,x3) & v_help(e1) & n_boy(x4) & (x2 = x3) & n_woman(x2) & card_eq_2(x2))
premise_sim: exists e1 s1 x1 x2 x3.(v_assist(e1) & n_man(x1) & n_harness(x3) & n_girl(x2) & in(x2,x3) & card_eq_2(x1) & a_small(s1) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1 e1 x2 x3 x4 x5.(with(e1,x5) & v_help(e1) & n_woman(x2) & n_harness(x5) & n_boy(x4) & card_eq_2(x2) & Theme(e1,x4) & Actor(e1,x3) & (x2 = x3) & (x1 = x2))