premise: Several bicyclers are carrying their bikes up a grassy hill.
hypothesis: People carrying their bikes at night.
explanation_1: Not all people are bicyclers. They might not be carrying their bikes at night, it could be daytime.
explanation_2: Sentence 1 doesn't say that the people are carrying their bikes at night.
explanation_3: PEOPLE NOT NECESSARILY INDICATE BICYCLCERS IN GENERAL
premise_logic: exists e1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & up(x2,x3) & n_hill(x3) & a_grassy(s2) & Theme(s2,x3) & n_bike(x2) & of(x2,x1) & n_thing(x1) & n_bicycler(x1) & a_several(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x4) & n_night(x4) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & n_bike(x3) & of(x3,x1) & n_thing(x1) & (x1 = x2) & n_people(x1))