premise: A city street with people in front of a mountain back drop.
hypothesis: Some people are riding bikes down a country lane.
explanation_1: The people cannot simultaneously be on a city street and a country lane
explanation_2: A city street doesn't imply it is in the country.
explanation_3: A city street is not a country lane.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6.(Theme(e1,x6) & Actor(e1,x1) & v_back(e1) & n_drop(x6) & with(x1,x3) & in(x3,x4) & of(x4,x5) & n_mountain(x5) & n_front(x4) & n_people(x3) & n_street(x1) & of(x1,x2) & n_city(x2))
hypothesis_logic: exists e1 x1 x2 x3 x4.(down(e1,x3) & n_lane(x3) & of(x3,x4) & n_country(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_people(x1))