premise: A guy on Rollerblades, sliding across a rail.
hypothesis: The male rollerblader is skillfully riding the stair railing.
explanation_1: Sliding across a rail doesn't imply he is skillfully riding or that he is riding the stair railing
explanation_2: Not everyone can rollerblade skillfully.
explanation_3: A guy using rollerblades to slide across a rail isn't always skillfully doing so.
premise_logic: exists e1 x1 x2 x3 x4.(ne_org_rollerblades(x2) & a_topic(x1) & across(e1,x4) & n_rail(x4) & Actor(e1,x3) & v_slide(e1) & (x1 = x3) & on(x1,x2) & n_guy(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3 x4.(n_railing(x3) & of(x3,x4) & n_stair(x4) & n_rollerblader(x1) & of(x1,x2) & n_male(x2) & a_skillfully(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1))
premise_sim: exists e1 x1 x2 x3 x4.(v_slide(e1) & on(x1,x2) & ne_org_rollerblades(x2) & n_rail(x4) & n_guy(x1) & across(e1,x4) & a_topic(x1) & Actor(e1,x3) & (x1 = x3))
hypothesis_sim: exists e1 s1 x1 x2 x3 x4.(v_ride(e1) & of(x3,x4) & of(x1,x2) & n_stair(x4) & n_rollerblader(x1) & n_railing(x3) & n_male(x2) & a_skillfully(s1) & Theme(e1,x3) & Manner(e1,s1) & Actor(e1,x1))