The large brown dog is walking into a shallow lake.
There is a dog outside.
If a dog is walking in a lake, then he is outside.
exists e1 s1 s2 s3 x1 x2.(n_dog(x1) & a_brown(s2) & Theme(s2,x1) & a_large(s1) & Theme(s1,x1) & into(e1,x2) & n_lake(x2) & a_shallow(s3) & Theme(s3,x2) & Actor(e1,x1) & v_walk(e1))
exists p1 x1 x2 x3.((x1 = x2) & n_outside(x2) & of(x2,x3) & n_dog(x3))