premise: A dune buggy with one male passenger gets some air as it drives over a sand dune.
hypothesis: A dune buggy drives over sand
explanation_1: A dune buggy drives over a sand dune must be over sand.
explanation_2: A sand dune is made of sand.
explanation_3: A sand dune is composed of sand.
premise_logic: exists e1 p1 s1 x1 x2 x3 x4.(exists e2 x5 x6.(Theme(e2,x5) & Actor(e2,x1) & v_drive(e2) & r_over(x5) & n_dune(x5) & of(x5,x6) & n_sand(x6)) & n_thing(x1) & as(e1,p1) & Theme(e1,x4) & Actor(e1,x1) & v_get(e1) & n_air(x4) & with(x1,x2) & n_passenger(x2) & of(x2,x3) & n_male(x3) & card_eq_1(x2) & n_buggy(x1) & a_dune(s1) & Theme(s1,x1))
hypothesis_logic: exists s1 x1 x2 x3.(a_topic(x1) & over(x1,x3) & n_sand(x3) & n_drive(x1) & of(x1,x2) & n_buggy(x2) & a_dune(s1) & Theme(s1,x1))