premise: Pigeons swarm all over a boy.
hypothesis: A boy is feeding pigeons.
explanation_1: Just because pigeons swarm over the boy, it does not mean that he was feeding them.
premise_logic: exists e1 x1 x2.(r_all(e1) & over(e1,x2) & n_boy(x2) & Actor(e1,x1) & v_swarm(e1) & n_pigeon(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_feed(e1) & n_pigeon(x2) & n_boy(x1))
premise_sim: exists e1 x1 x2.(v_swarm(e1) & r_all(e1) & over(e1,x2) & n_pigeon(x1) & n_boy(x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_feed(e1) & n_pigeon(x2) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1))