premise: a skateboarder ollies.
hypothesis: Someone is on a board with four wheels.
explanation_1: A skateboarder ollies is a board with four wheels.
explanation_2: There is a skateboarder.
explanation_3: Skateboarder is someone and ollies implies board with four wheels.
premise_logic: exists x1 x2.(a_topic(x1) & n_olly(x1) & of(x1,x2) & n_skateboarder(x2))
hypothesis_logic: exists p1 x1.(exists x2 x3.(on(x1,x2) & with(x2,x3) & n_wheel(x3) & card_eq_4(x3) & n_board(x2)) & n_person(x1))