premise: A motocross rider rides in the air over a bar.
hypothesis: A girl rides a scooter through the grass.
explanation_1: Grass is not in the air.  A scooter is not what a motocross rider rides.
explanation_2: You don't ride scooters on a motocross.
explanation_3: Someone riding in the air over a bar and riding through the grass cannot be simultaneous.
premise_logic: exists x1 x2 x3 x4 x5.(n_air(x4) & a_topic(x1) & in(x1,x4) & over(x4,x5) & n_bar(x5) & n_ride(x1) & of(x1,x3) & n_rider(x3) & of(x1,x2) & n_motocross(x2))
hypothesis_logic: exists e1 x1 x2 x3.(n_grass(x3) & through(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_scooter(x2) & n_girl(x1))
premise_sim: exists x1 x2 x3 x4 x5.(over(x4,x5) & of(x1,x3) & of(x1,x2) & n_rider(x3) & n_ride(x1) & n_motocross(x2) & n_bar(x5) & n_air(x4) & in(x1,x4) & a_topic(x1))
hypothesis_sim: exists e1 x1 x2 x3.(v_ride(e1) & through(e1,x3) & n_scooter(x2) & n_grass(x3) & n_girl(x1) & Theme(e1,x2) & Actor(e1,x1))