The brown and white dog is running across the sand with a red object in his mouth.
A red object is being held in the dog's mouth.
If a dog has a red object in his mouth then a red object is being held in the dog's mouth.
exists e1 s1 s2 s3 x1 x2 x3 x4.(n_mouth(x4) & of(x4,x2) & n_male(x2) & n_sand(x2) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1) & in(e1,x4) & with(e1,x3) & n_object(x3) & a_red(s3) & Theme(s3,x3) & across(e1,x2) & Actor(e1,x1) & v_run(e1))
exists e1 s1 x1 x2 x3.(n_mouth(x3) & of(x3,x2) & n_dog(x2) & in(e1,x3) & Theme(e1,x1) & v_hold(e1) & n_object(x1) & a_red(s1) & Theme(s1,x1))