premise: A boy skateboards down the metal handrail at night.
hypothesis: The boy is standing in the sun.
explanation_1: One cannot be skateboarding and standing at the same. The sun is up during the day, not at night.
premise_logic: exists e1 x1 x2 x3 x4.(n_handrail(x2) & of(x2,x3) & n_metal(x3) & at(e1,x4) & n_night(x4) & down(e1,x2) & Actor(e1,x1) & v_skateboard(e1) & n_boy(x1))
hypothesis_logic: exists e1 x1 x2.(n_sun(x2) & n_boy(x1) & in(e1,x2) & Actor(e1,x1) & v_stand(e1))
premise_sim: exists e1 x1 x2 x3 x4.(v_skateboard(e1) & of(x2,x3) & n_night(x4) & n_metal(x3) & n_handrail(x2) & n_boy(x1) & down(e1,x2) & at(e1,x4) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_stand(e1) & n_sun(x2) & n_boy(x1) & in(e1,x2) & Actor(e1,x1))