premise: A man on a small 4 wheeled vehicle is flying through the air.
hypothesis: The man is in the air.
explanation_1: A man discovered a small 4 wheeled vehicle to fly through the air to go fastly to the place where we want.
explanation_2: In sentence 1, the man is stated to be flying. Sentence 2 says he's in the air.
explanation_3: Flying through the air is a paraphrase of in the air, and man on a small 4 wheeled vehicle is a type of man.
premise_logic: exists e1 s1 s2 x1 x2 x3.(n_air(x3) & through(e1,x3) & Actor(e1,x1) & v_fly(e1) & on(x1,x2) & n_vehicle(x2) & a_wheeled(s2) & Theme(s2,x2) & n_date(x2) & a_date_day_04(x2) & a_date_day_04(x2) & a_small(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists p1 x1 x2.(n_air(x2) & n_man(x1) & in(x1,x2))
premise_sim: exists e1 s1 s2 x1 x2 x3.(v_fly(e1) & through(e1,x3) & on(x1,x2) & n_vehicle(x2) & n_man(x1) & n_date(x2) & n_air(x3) & a_wheeled(s2) & a_small(s1) & a_date_day_04(x2) & Theme(s2,x2) & Theme(s1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1 x2.(n_man(x1) & n_air(x2) & in(x1,x2))