premise: The sky is blue
hypothesis: The sky is visible.
explanation_1: Knowing that the sky is blue implies that the sky is visible.
premise_logic: exists s1 x1.(n_sky(x1) & Theme(s1,x1) & a_blue(s1))
hypothesis_logic: exists s1 x1.(n_sky(x1) & Theme(s1,x1) & a_visible(s1))
premise_sim: exists s1 x1.(n_sky(x1) & a_blue(s1) & Theme(s1,x1))
hypothesis_sim: exists s1 x1.(n_sky(x1) & a_visible(s1) & Theme(s1,x1))