A yellow dog is jumping to catch a toy in a park.
The dog is rolling around in the grass.
The dog can not be jumping and rolling around.
exists e1 p1 s1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_jump(e1) & exists e2 x2 x3.(in(e2,x3) & n_park(x3) & Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_toy(x2)) & n_dog(x1) & a_yellow(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_grass(x2) & n_dog(x1) & a_around(s1) & Manner(e1,s1) & in(e1,x2) & Actor(e1,x1) & v_roll(e1))