Two brown and black dogs are jumping a fence.
Two dogs jump over a fence, chasing a squirrel.
Jumping a fence does not imply chasing a squirrel.
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_fence(x2) & n_dog(x1) & a_black(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & over(x1,x3) & Theme(e1,x5) & Actor(e1,x4) & v_chase(e1) & n_squirrel(x5) & (x3 = x4) & n_fence(x3) & n_jump(x1) & of(x1,x2) & n_dog(x2) & card_eq_2(x1))