premise: A man sitting on an elephant with a riding seat is talking to a female tourist.
hypothesis: A person riding a large animal.
explanation_1: An elephant is a large animal.
explanation_2: A man riding on an elephant
explanation_3: Elephant is large animal, and man is person.
premise_logic: exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(to(e2,x6) & n_tourist(x6) & a_female(s1) & Theme(s1,x6) & Actor(e2,x1) & v_talk(e2) & with(e1,x4) & n_seat(x4) & of(x4,x5) & n_riding(x5) & on(e1,x3) & n_elephant(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_animal(x3) & a_large(s1) & Theme(s1,x3) & (x1 = x2) & n_person(x1))