premise: Three children run on a sidewalk with a river on one side and a wall on the other.
hypothesis: There are children outside.
explanation_1: If children run on a sidewalk with a river then the children are outside.
explanation_2: Three children must be outside if they can run past a river.
explanation_3: The children are outside between the river and wall.
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 p1 s1 x1.(a_outside(s1) & Manner(p1,s1) & exists x2.((x1 = x2) & n_child(x2)))