premise: A skateboarder is performing a trick in the air.
hypothesis: The skateboarder will land the trick.
explanation_1: Just because a skateboard in performing a trick in the air doesn't mean he/she will land the trick.
explanation_2: A skateboarder does not land every trick.
explanation_3: Just because a skateboarder is performing a trick in the air does not mean the skateboarder will land the trick.
premise_logic: exists e1 x1 x2 x3.(n_air(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2) & n_skateboarder(x1))
hypothesis_logic: exists e1 x1 x2.(n_trick(x2) & n_skateboarder(x1) & Theme(e1,x2) & Actor(e1,x1) & v_land(e1))