The light brown dog and dark brown dog are running in the green grass.
Two dogs run together while chasing a frisbee.
The light brown dog and dark brown dog are running in the green grass does not imply they are chasing a frisbee.
exists e1 s1 s2 s3 s4 s5 x1 x2 x3 x4.(n_grass(x4) & a_green(s5) & Theme(s5,x4) & n_dog(x3) & a_brown(s4) & Theme(s4,x3) & a_dark(s3) & Theme(s3,x3) & n_dog(x2) & subset_of(x3,x1) & subset_of(x2,x1) & a_brown(s2) & Theme(s2,x1) & a_light(s1) & Theme(s1,x1) & in(e1,x4) & Actor(e1,x1) & v_run(e1))
exists e1 e2 s1 x1 x2.(while(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_chase(e2) & n_frisbee(x2) & a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))