premise: A runner in yellow has a convoy of motorcycles following behind him on a highway as bystanders watch.
hypothesis: A runner with a convoy of motorcycles
explanation_1: Runner with a convoy of motorcycles implies a highway.
explanation_2: There is both a convoy of motorcycles in the scene.
explanation_3: Following behind is a position which can considered with something else.
premise_logic: exists e2 e1 e3 x1 x2 x3 x4 x5 x6 x7 x8.(Theme(e3,x3) & Actor(e3,x1) & v_have(e3) & of(x3,x4) & Theme(e2,x8) & Actor(e2,e1) & v_watch(e2) & (x4 = x8) & on(e1,x6) & as(x6,x7) & n_bystander(x7) & n_highway(x6) & behind(e1,x1) & n_male(x1) & Actor(e1,x5) & v_follow(e1) & n_thing(x5) & n_motorcycle(x4) & n_convoy(x3) & in(x1,x2) & n_yellow(x2) & n_runner(x1))
hypothesis_logic: exists x1 x2 x3.(a_topic(x1) & with(x1,x2) & of(x2,x3) & n_motorcycle(x3) & n_convoy(x2) & n_runner(x1))