premise: The sky appears clear.
hypothesis: It's snowing.
explanation_1: If it is snowing, the sky is overcast. The sky will not appear to be clear.
premise_logic: exists e1 p1 x1.(n_sky(x1) & exists s1.(Theme(s1,x1) & a_clear(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_appear(e1))
hypothesis_logic: exists s1 x1.(n_thing(x1) & Theme(s1,x1) & a_snow(s1))
premise_sim: exists e1 p1 x1.(v_appear(e1) & n_sky(x1) & exists s1.(a_clear(s1) & Theme(s1,x1)) & Topic(e1,p1) & Actor(e1,x1))
hypothesis_sim: exists s1 x1.(n_thing(x1) & a_snow(s1) & Theme(s1,x1))