premise: a boy smiles underwater.
hypothesis: The boy is asleep.
explanation_1: You need to be awake to smile and thus could not be smiling while asleep.
premise_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_smile(e1) & n_underwater(x2) & n_boy(x1))
hypothesis_logic: exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_asleep(s1))
premise_sim: exists e1 x1 x2.(v_smile(e1) & n_underwater(x2) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists s1 x1.(n_boy(x1) & a_asleep(s1) & Theme(s1,x1))