premise: Several young people standing next to ten-speed bikes.
hypothesis: Several young people are standing next to motorcycles.
explanation_1: The young people are either standing next to motorcycles or next to motorcycles.
explanation_2: Ten-speed bikes are not motorcycles.
explanation_3: Motorcycles and ten-speed bikes are not the same thing.
premise_logic: exists e1 s1 s2 s3 x1 x2 x3.(a_topic(x1) & to(e1,x3) & n_bike(x3) & a_ten-speed(s3) & Theme(s3,x3) & r_next(e1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 s2 x1 x2.(to(e1,x2) & n_motorcycle(x2) & r_next(e1) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))