premise: A child and a parent or older sibling going for a hike.
hypothesis: Two people are going for a hike.
explanation_1: People a child and parent are going on a hike
explanation_2: Child and a parent are two people.
explanation_3: A child, a parent, and siblings are people.  Two of them are going for a hike.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & for(e1,x4) & n_hike(x4) & Actor(e1,x3) & v_go(e1) & (x2 = x3) & (n_parent(x2) | exists s2.(n_sibling(x2) & r_more(s2) & a_older(s2) & Theme(s2,x2))) & subset_of(x1,s1) & n_child(x1))
hypothesis_logic: exists e1 x1 x2.(for(e1,x2) & n_hike(x2) & Actor(e1,x1) & v_go(e1) & n_people(x1) & card_eq_2(x1))
premise_sim: exists e1 s1 x1 x2 x3 x4.(v_go(e1) & subset_of(x2,s1) & subset_of(x1,s1) & n_hike(x4) & n_child(x1) & for(e1,x4) & a_topic(s1) & Actor(e1,x3) & (x2 = x3) & (n_parent(x2) | exists s2.(r_more(s2) & n_sibling(x2) & a_older(s2) & Theme(s2,x2))))
hypothesis_sim: exists e1 x1 x2.(v_go(e1) & n_people(x1) & n_hike(x2) & for(e1,x2) & card_eq_2(x1) & Actor(e1,x1))