premise: People walking down a busy city street in the winter.
hypothesis: People are running down a busy city street in summer.
explanation_1: Walking is not running and it can not be both winter and summer.
explanation_2: One cannot be walking and running simultaneously. It can be either winter or summer.
explanation_3: People cannot be running at the same time they are walking.  It cannot be summer at the same time it is winter.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5.(n_winter(x5) & a_topic(x1) & in(e1,x5) & a_down(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & n_street(x3) & of(x3,x4) & n_city(x4) & a_busy(s1) & Theme(s1,x3) & (x1 = x2) & n_people(x1))
hypothesis_logic: exists e1 s1 s2 x1 x2 x3 x4.(in(e1,x4) & n_summer(x4) & a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_street(x2) & of(x2,x3) & n_city(x3) & a_busy(s1) & Theme(s1,x2) & n_people(x1))