premise: Birds flocking by the water's edge.
hypothesis: A flock of seagulls hunt for food.
explanation_1: The word seagulls isn't used in the first sentence to describe the birds. We also now know that they are hunting for food.
premise_logic: exists e1 x1 x2 x3 x4.(n_edge(x4) & of(x4,x3) & n_water(x3) & a_topic(x1) & by(e1,x4) & Actor(e1,x2) & v_flock(e1) & (x1 = x2) & n_bird(x1))
hypothesis_logic: exists x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & for(x2,x4) & n_food(x4) & n_hunt(x2) & of(x2,x3) & n_seagull(x3) & n_flock(x1))
premise_sim: exists e1 x1 x2 x3 x4.(v_flock(e1) & of(x4,x3) & n_water(x3) & n_edge(x4) & n_bird(x1) & by(e1,x4) & a_topic(x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1 x2 x3 x4.(of(x2,x3) & of(x1,x2) & n_seagull(x3) & n_hunt(x2) & n_food(x4) & n_flock(x1) & for(x2,x4) & a_topic(x1))