premise: Three children and trying to open a gift.
hypothesis: The kids are working together.
explanation_1: Children is another word for kids. If they are trying to open a single gift, then it is a logical assumption that they are working together.
premise_logic: exists e1 p1 s1 x1 x2.(a_topic(s1) & subset_of(e1,s1) & Topic(e1,p1) & Actor(e1,x2) & v_try(e1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_open(e2) & n_gift(x3)) & n_thing(x2) & subset_of(x1,s1) & n_child(x1) & card_eq_3(x1))
hypothesis_logic: exists e1 s1 x1.(n_kid(x1) & a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1))
premise_sim: exists e1 p1 s1 x1 x2.(v_try(e1) & subset_of(x1,s1) & subset_of(e1,s1) & n_thing(x2) & n_child(x1) & exists e2 x3.(v_open(e2) & n_gift(x3) & Theme(e2,x3) & Actor(e2,x2)) & card_eq_3(x1) & a_topic(s1) & Topic(e1,p1) & Actor(e1,x2))
hypothesis_sim: exists e1 s1 x1.(v_work(e1) & n_kid(x1) & a_together(s1) & Manner(e1,s1) & Actor(e1,x1))