premise: A bird flying pass the walkway.
hypothesis: bird is flying
explanation_1: These sentences seem to be incomplete, but one bird is flying by the walkway while the other is just flying.
premise_logic: exists e1 e2 x1 x2 x3.(n_walkway(x3) & Theme(e2,x3) & Actor(e2,x1) & v_pass(e2) & Actor(e1,x2) & v_fly(e1) & (x1 = x2) & n_bird(x1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_fly(e1) & n_bird(x1))
premise_sim: exists e1 e2 x1 x2 x3.(v_pass(e2) & v_fly(e1) & n_walkway(x3) & n_bird(x1) & Theme(e2,x3) & Actor(e2,x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1.(v_fly(e1) & n_bird(x1) & Actor(e1,x1))