A man holds a long leash with a large gray dog attached to it.
The gray dog is not wearing his leash right now.
If a dog is not wearing a leash, then there can not be a man holding a leash with a dog attached to it.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4.(with(e1,x3) & to(e2,x1) & n_thing(x1) & Theme(e2,x4) & v_attach(e2) & (x3 = x4) & n_dog(x3) & a_gray(s3) & Theme(s3,x3) & a_large(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_leash(x2) & a_long(s1) & Theme(s1,x2) & n_man(x1))
exists s1 x1 x2.(n_leash(x2) & of(x2,x1) & n_male(x1) & n_dog(x1) & a_gray(s1) & Theme(s1,x1) & -exists e1 s2.(r_right(e1) & a_now(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1)))