premise: Two children playing on the floor with toy trains.
hypothesis: The children played on the floor.
explanation_1: Two children are the children, and "played on the floor" is a rephrasing of "playing on the floor".
explanation_2: Playing on is a rephrasing of played on.
explanation_3: The conjugation of the verb play is correct as the children have finished playing with the toy trains.
premise_logic: exists e1 x1 x2 x3 x4 x5.(n_floor(x3) & a_topic(x1) & with(e1,x4) & n_train(x4) & of(x4,x5) & n_toy(x5) & on(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(n_floor(x2) & n_child(x1) & on(e1,x2) & Actor(e1,x1) & v_play(e1))
premise_sim: exists e1 x1 x2 x3 x4 x5.(with(e1,x4) & v_play(e1) & on(e1,x3) & of(x4,x5) & n_train(x4) & n_toy(x5) & n_floor(x3) & n_child(x1) & card_eq_2(x1) & a_topic(x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2.(v_play(e1) & on(e1,x2) & n_floor(x2) & n_child(x1) & Actor(e1,x1))