premise: Several runners compete in a road race.
hypothesis: Several runners compete in an indoor road race.
explanation_1: The road race could very easily be outdoors or half indoors, half outdoors, but there's no indication that it's definitely an indoor road race.
explanation_2: Just because the runners are competing in a road race does not mean it is an indoor race.
explanation_3: A road race is not assumed to be an indoor race.
premise_logic: exists e1 s1 x1 x2 x3.(in(e1,x2) & n_race(x2) & of(x2,x3) & n_road(x3) & Actor(e1,x1) & v_compete(e1) & n_runner(x1) & a_several(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 s2 x1 x2 x3.(in(e1,x2) & n_race(x2) & of(x2,x3) & n_road(x3) & a_indoor(s2) & Theme(s2,x2) & Actor(e1,x1) & v_compete(e1) & n_runner(x1) & a_several(s1) & Theme(s1,x1))