premise: Passersby look on at an accident involving an SUV and a bicyclist.
hypothesis: The people are hurt
explanation_1: The first sentence states there is an accident.  It does not give any other details.  Accidents can happen without people getting hurt.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5 x6.(r_on(e1) & at(e1,x3) & involve(x3,x4) & subset_of(x6,x4) & n_bicyclist(x6) & subset_of(x5,x4) & ne_org_suv(x5) & n_accident(x3) & Theme(e1,x2) & Actor(e1,x1) & v_event(e1) & n_look(x2) & a_passersby(s1) & Theme(s1,x2) & n_thing(x1))
hypothesis_logic: exists e1 x1.(n_people(x1) & Theme(e1,x1) & v_hurt(e1))
premise_sim: exists e1 s1 x1 x2 x3 x4 x5 x6.(v_event(e1) & subset_of(x6,x4) & subset_of(x5,x4) & r_on(e1) & ne_org_suv(x5) & n_thing(x1) & n_look(x2) & n_bicyclist(x6) & n_accident(x3) & involve(x3,x4) & at(e1,x3) & a_passersby(s1) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_hurt(e1) & n_people(x1) & Theme(e1,x1))