premise: skateboarder sliding down a ramp
hypothesis: A skateboarder is doing a trick.
explanation_1: Skateboard ramp -s are for doing trick -s.
explanation_2: Sliding down a ramp would be considered a trick.
explanation_3: Sliding down a ramp is a type of trick.
premise_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_slide(e1) & n_ramp(x3) & (x1 = x2) & n_skateboarder(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & n_skateboarder(x1))