premise: A horse has fallen down on the green grass and the jockey riding on top is trying his hardest to not fall off.
hypothesis: The jockey is trying not to fall off the horse.
explanation_1: The jockey trying not to fall off the horse as the horse fallen.
explanation_2: The "jockey is trying not to fall off the horse" is a rephrase of "jockey riding on top is trying his hardest to not fall off."
explanation_3: Jockey is trying his best to not fall
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(r_most(x9) & n_hardest(x9) & of(x9,x2) & n_male(x2) & n_riding(x6) & of(x6,x7) & n_jockey(x7) & n_riding(x3) & of(x3,x4) & n_jockey(x4) & n_grass(x2) & a_green(s1) & Theme(s1,x2) & -exists p1.(Topic(e2,p1) & exists e3 s3.(a_off(s3) & Manner(e3,s3) & Actor(e3,x3) & v_fall(e3))) & Theme(e2,x9) & Actor(e2,x6) & v_try(e2) & on(x6,x8) & n_top(x8) & on(x3,x5) & n_top(x5) & a_down(s2) & Manner(e1,s2) & on(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_horse(x1))
hypothesis_logic: exists x1 x2.(n_horse(x2) & n_jockey(x1) & -exists e1 p1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s1.(Time(e2,x2) & a_off(s1) & Manner(e2,s1) & Actor(e2,x1) & v_fall(e2))))