premise: Three children run on a sidewalk with a river on one side and a wall on the other.
hypothesis: Three children are swimming next to the sidewalk.
explanation_1: The three children are running on the sidewalk, which means they can't be swimming.
explanation_2: The three children either run on a sidewalk or are swimming next to the sidewalk.
explanation_3: The children either run or are swimming but can't do both at the same time.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6 x7.(n_other(x7) & on(e1,x7) & on(e1,x2) & subset_of(x6,x2) & n_wall(x6) & subset_of(x3,x2) & with(x3,x4) & on(x4,x5) & n_side(x5) & card_eq_1(x5) & n_river(x4) & n_sidewalk(x3) & Actor(e1,x1) & v_run(e1) & n_child(x1) & card_eq_3(x1))
hypothesis_logic: exists e1 x1 x2.(n_sidewalk(x2) & to(e1,x2) & r_next(e1) & Actor(e1,x1) & v_swim(e1) & n_child(x1) & card_eq_3(x1))