The collared dog is jumping into the air.
The dog is chasing a squirrel up a tree.
Jumping does not imply chasing.
exists e1 s1 x1 x2.(n_air(x2) & n_dog(x1) & a_collared(s1) & Theme(s1,x1) & into(e1,x2) & Actor(e1,x1) & v_jump(e1))
exists e1 x1 x2 x3.(n_dog(x1) & up(e1,x3) & n_tree(x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_squirrel(x2))