premise: An airplane is visible low in the sky over the airport.
hypothesis: a boat on the water
explanation_1: An airplane and a boat are different vehicles.  The sky is not located on the water.
premise_logic: exists p1 x1 x3 x4.(n_airport(x4) & n_sky(x3) & exists s1 x2.((x1 = x2) & in(x2,x3) & over(x3,x4) & n_low(x2) & a_visible(s1) & Theme(s1,x2)) & n_airplane(x1))
hypothesis_logic: exists x1 x2.(n_water(x2) & a_topic(x1) & on(x1,x2) & n_boat(x1))
premise_sim: exists x1 x3 x4.(n_sky(x3) & n_airport(x4) & n_airplane(x1) & exists s1 x2.(over(x3,x4) & n_low(x2) & in(x2,x3) & a_visible(s1) & Theme(s1,x2) & (x1 = x2)))
hypothesis_sim: exists x1 x2.(on(x1,x2) & n_water(x2) & n_boat(x1) & a_topic(x1))