premise: Three people are in an alley with a dumpster, one skateboarding over the dumpster while the other two look on.
hypothesis: The person is in the air on the skateboard.
explanation_1: Just because one skateboarder is over the dumpster does not mean he is in the air.
premise_logic: exists p1 s1 x1 x2.(-(x2 = x2) & n_look(x2) & card_eq_2(x2) & a_on(s1) & Manner(p1,s1) & while(p1,x2) & exists x3 x4 x5.(in(x1,x3) & with(x3,x4) & rel(x4,x5) & over(x5,x4) & n_dumpster(x4) & n_dumpster(x4) & n_skateboarding(x5) & card_eq_1(x5) & n_alley(x3)) & n_people(x1) & card_eq_3(x1))
hypothesis_logic: exists p1 x1 x2 x3.(n_skateboard(x3) & n_air(x2) & n_person(x1) & in(x1,x2) & on(x2,x3))
premise_sim: exists p1 s1 x1 x2.(while(p1,x2) & n_people(x1) & n_look(x2) & exists x3 x4 x5.(with(x3,x4) & rel(x4,x5) & over(x5,x4) & n_skateboarding(x5) & n_dumpster(x4) & n_alley(x3) & in(x1,x3) & card_eq_1(x5)) & card_eq_3(x1) & card_eq_2(x2) & a_on(s1) & Manner(p1,s1) & -(x2 = x2))
hypothesis_sim: exists x1 x2 x3.(on(x2,x3) & n_skateboard(x3) & n_person(x1) & n_air(x2) & in(x1,x2))