premise: A guy on a waterskiing board is doing a stunt.
hypothesis: The guy is watching tv.
explanation_1: A guy on a waterskiing board can not be watching TV.
explanation_2: A person cannot be on a waterskiing board doing a stunt and watching tv at the same time.
explanation_3: You cannot be watching tv while doing a stunt on a waterskiing board.
premise_logic: exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_do(e1) & n_stunt(x4) & on(x1,x2) & n_board(x2) & of(x2,x3) & n_waterskiing(x3) & n_guy(x1))
hypothesis_logic: exists e1 x1 x2.(n_guy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_tv(x2))