premise: A man leads the way in a race.
hypothesis: The man is last place in the race.
explanation_1: The man is either first in a race or last place.
explanation_2: Man can't be in last place and lead.
explanation_3: He cannot both lead and be in last place.
premise_logic: exists e1 x1 x2 x3.(n_way(x2) & Theme(e1,x2) & Actor(e1,x1) & v_lead(e1) & in(x2,x3) & n_race(x3) & n_man(x1))
hypothesis_logic: exists p1 x1 x2.(n_race(x2) & n_man(x1) & in(p1,x2) & exists s1 x3.((x1 = x3) & n_place(x3) & a_last(s1) & Theme(s1,x3)))
premise_sim: exists e1 x1 x2 x3.(v_lead(e1) & n_way(x2) & n_race(x3) & n_man(x1) & in(x2,x3) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists p1 x1 x2.(n_race(x2) & n_man(x1) & in(p1,x2) & exists s1 x3.(n_place(x3) & a_last(s1) & Theme(s1,x3) & (x1 = x3)))