premise: A girl is standing and another one is sitting by a tree
hypothesis: The girls are waiting for their friend.
explanation_1: A girl is standing and another one is sitting by a tree don't necessarily imply that they are waiting for their friend.
explanation_2: standing and sitting by a tree doesn not imply they are waiting
explanation_3: Just because that a girl is standing and another one is sitting by a tree does not mean they are waiting for their friend.
premise_logic: exists e1 e2 x1 x2 x3.(by(e2,x3) & n_tree(x3) & Actor(e2,x2) & v_sit(e2) & n_thing(x2) & card_eq_1(x2) & -(x2 = x1) & n_thing(x1) & card_eq_1(x1) & Actor(e1,x1) & v_stand(e1) & n_girl(x1))
hypothesis_logic: exists e1 x1 x2.(n_friend(x2) & of(x2,x1) & n_thing(x1) & n_girl(x1) & for(e1,x2) & Actor(e1,x1) & v_wait(e1))