premise: Snowboarder sails in the air.
hypothesis: A snowboarder jumps through the air and does tricks.
explanation_1: It cannot be assumed the snowboarder is doing tricks.
explanation_2: Just because the snowboarder is in the air, does not mean he jumps and is doing a trick.
explanation_3: By jumping into the air doesn't necessarily mean the snowboarder is doing tricks.
premise_logic: exists e1 x1 x2.(n_air(x2) & ne_nam_snowboarder(x1) & in(e1,x2) & Actor(e1,x1) & v_sail(e1))
hypothesis_logic: exists e1 e2 x1 x2 x3 x4.(n_air(x2) & Theme(e2,x4) & Actor(e2,x3) & v_do(e2) & n_trick(x4) & n_snowboarder(x3) & through(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_snowboarder(x1))