premise: A group of women observe as two men attempt to fix their bikes.
hypothesis: Several women watch as two men work on bikes.
explanation_1: Several is a synonym for A group, also men 'attempt to fix' their bikes can be rephrased as 'work on bikes'.
explanation_2: A group is composed of more than one woman, so there can be several. Observe is another term for watch. The men are attempting to fix their bikes, so they are work on the bikes.
explanation_3: Just because there are several women does not mean they are a group of women trying to make an attempt to fix their bikes.
premise_logic: exists e1 p1 x1 x2 x4.(exists e2 p2 x3.(Topic(e2,p2) & Actor(e2,x3) & v_attempt(e2) & exists e3.(Theme(e3,x4) & Actor(e3,x3) & v_fix(e3)) & n_man(x3) & card_eq_2(x3)) & n_bike(x4) & of(x4,x1) & n_thing(x1) & as(e1,p1) & Actor(e1,x1) & v_observe(e1) & of(x1,x2) & n_woman(x2) & n_group(x1))
hypothesis_logic: exists e1 p1 s1 x1 x2.(exists e2 x3 x4.(on(e2,x4) & n_bike(x4) & Actor(e2,x3) & v_work(e2) & n_man(x3) & card_eq_2(x3)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_thing(x2) & n_woman(x1) & a_several(s1) & Theme(s1,x1))
premise_sim: exists e1 p1 x1 x2 x4.(v_observe(e1) & of(x4,x1) & of(x1,x2) & n_woman(x2) & n_thing(x1) & n_group(x1) & n_bike(x4) & exists e2 p2 x3.(v_attempt(e2) & n_man(x3) & exists e3.(v_fix(e3) & Theme(e3,x4) & Actor(e3,x3)) & card_eq_2(x3) & Topic(e2,p2) & Actor(e2,x3)) & as(e1,p1) & Actor(e1,x1))
hypothesis_sim: exists e1 p1 s1 x1 x2.(v_watch(e1) & n_woman(x1) & n_thing(x2) & exists e2 x3 x4.(v_work(e2) & on(e2,x4) & n_man(x3) & n_bike(x4) & card_eq_2(x3) & Actor(e2,x3)) & as(e1,p1) & a_several(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1))