premise: Racing on wet road while man hangs on back.
hypothesis: racing on a dry road.
explanation_1: The road is not dry if it is wet.
explanation_2: If the road is wet, it can not be dry.
explanation_3: wet road cant be inferred as dry road
premise_logic: exists e1 p1 s1 x1 x2.(exists e2 x3 x4.(on(e2,x4) & n_back(x4) & Actor(e2,x3) & v_hang(e2) & n_man(x3)) & while(e1,p1) & on(e1,x2) & n_road(x2) & a_wet(s1) & Theme(s1,x2) & Actor(e1,x1) & v_race(e1) & n_thing(x1))
hypothesis_logic: exists s1 x1 x2.(a_topic(x1) & on(x1,x2) & n_road(x2) & a_dry(s1) & Theme(s1,x2) & n_racing(x1))