premise: A group of people look to the side and a boy starts to run.
hypothesis: The boy started running.
explanation_1: run and running are same
explanation_2: "A boy starts to run" is just a rephrasing of " boy started running".
explanation_3: Boy starts to run is a rephrasing of boy started running.
premise_logic: exists e1 e2 p1 x1 x2 x3 x4.(n_side(x3) & Topic(e2,p1) & Actor(e2,x4) & v_start(e2) & exists e3.(Actor(e3,x4) & v_run(e3)) & n_boy(x4) & to(e1,x3) & Actor(e1,x1) & v_look(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
hypothesis_logic: exists e1 p1 x1.(n_boy(x1) & exists e2.(Actor(e2,x1) & v_run(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_start(e1))
premise_sim: exists e1 e2 p1 x1 x2 x3 x4.(v_start(e2) & v_look(e1) & to(e1,x3) & of(x1,x2) & n_side(x3) & n_people(x2) & n_group(x1) & n_boy(x4) & exists e3.(v_run(e3) & Actor(e3,x4)) & Topic(e2,p1) & Actor(e2,x4) & Actor(e1,x1))
hypothesis_sim: exists e1 p1 x1.(v_start(e1) & n_boy(x1) & exists e2.(v_run(e2) & Actor(e2,x1)) & Topic(e1,p1) & Actor(e1,x1))