premise: A snowboarder is grinding down a long concrete rail.
hypothesis: The snowboarder is sitting in a jacuzzi.
explanation_1: Snowboarded cannot be sitting and grinding down a rail at the same time.
explanation_2: You cant grind a rail while sitting in a jacuzzi
explanation_3: A snowboarder is either grinding or sitting.
premise_logic: exists e1 s1 s2 x1 x2 x3.(a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_grind(e1) & n_rail(x2) & of(x2,x3) & n_concrete(x3) & a_long(s1) & Theme(s1,x2) & n_snowboarder(x1))
hypothesis_logic: exists e1 x1 x2.(n_snowboarder(x1) & in(e1,x2) & n_jacuzzi(x2) & Actor(e1,x1) & v_sit(e1))