premise: A child plays at a playground.
hypothesis: A child is playing.
explanation_1: in a both sentence child and playing are different.
premise_logic: exists e1 x1 x2.(at(e1,x2) & n_playground(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_play(e1) & n_child(x1))
premise_sim: exists e1 x1 x2.(v_play(e1) & n_playground(x2) & n_child(x1) & at(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_play(e1) & n_child(x1) & Actor(e1,x1))