premise: People looking at tall oriental art piece.
hypothesis: People are running a marathon
explanation_1: People cannot be running a marathon and looking at art at the same time.
explanation_2: People are either looking at tall oriental art piece or running a marathon
explanation_3: One can not be looking at an art piece and running a marathon at the same time.
premise_logic: exists e1 s1 s2 x1 x2 x3.(at(e1,x2) & n_piece(x2) & of(x2,x3) & n_art(x3) & a_oriental(s2) & Theme(s2,x2) & a_tall(s1) & Theme(s1,x2) & Actor(e1,x1) & v_look(e1) & n_people(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_marathon(x2) & n_people(x1))