premise: Man with beard doing skateboarding stunt
hypothesis: A clean shaven man skateboards.
explanation_1: The man can not have a beard if he is clean shaven.
explanation_2: Clean shaven means a man has no beard or moustache.
explanation_3: Man with beard is different from clean shaven man.
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_stunt(x4) & of(x4,x5) & n_skateboarding(x5) & (x2 = x3) & n_beard(x2) & n_man(x1))
hypothesis_logic: exists s1 x1 x2 x3.(a_topic(x1) & n_skateboard(x1) & of(x1,x3) & n_man(x3) & of(x1,x2) & n_shaven(x2) & a_clean(s1) & Theme(s1,x1))