premise: A bird is perched on a tree branch.
hypothesis: A squirrel plays in a tree.
explanation_1: A bird and a squirrel are different animals.
explanation_2: A squirrel is different from a bird.
explanation_3: The subject cannot be referred to as a bird and a squirrel simultaneously.
premise_logic: exists e1 x1 x2 x3.(on(e1,x2) & n_branch(x2) & of(x2,x3) & n_tree(x3) & Theme(e1,x1) & v_perch(e1) & n_bird(x1))
hypothesis_logic: exists e1 x1 x2.(in(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_play(e1) & n_squirrel(x1))