premise: A man waterskies.
hypothesis: A guy is riding a bike.
explanation_1: Activities are different, one cannot ride a bike and water ski.
premise_logic: exists x1 x2.(a_topic(x1) & n_watersky(x1) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_guy(x1))
premise_sim: exists x1 x2.(of(x1,x2) & n_watersky(x1) & n_man(x2) & a_topic(x1))
hypothesis_sim: exists e1 x1 x2.(v_ride(e1) & n_guy(x1) & n_bike(x2) & Theme(e1,x2) & Actor(e1,x1))