A brown dog walks on top of a felled tree trunk.
The dog is walking alone
Just because a dog is walking alone doesn't mean he is brown.
exists e1 s1 s2 x1 x2 x3 x4.(on(e1,x2) & of(x2,x3) & n_trunk(x3) & of(x3,x4) & n_tree(x4) & a_felled(s2) & Theme(s2,x3) & n_top(x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 s1 x1.(n_dog(x1) & a_alone(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1))