premise: A man waterskies.
hypothesis: A man is water skiing.
explanation_1: man waterskies. is same as man is water skiing.
premise_logic: exists x1 x2.(a_topic(x1) & n_watersky(x1) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists p1 x1.(exists x2 x3.((x1 = x2) & n_skiing(x2) & of(x2,x3) & n_water(x3)) & n_man(x1))
premise_sim: exists x1 x2.(of(x1,x2) & n_watersky(x1) & n_man(x2) & a_topic(x1))
hypothesis_sim: exists x1.(n_man(x1) & exists x2 x3.(of(x2,x3) & n_water(x3) & n_skiing(x2) & (x1 = x2)))