A dog, possibly a basset hound, stands nose-deep in pond water.
The dog is inspecting the water at the pond.
Dogs use scent to track, so a dog being nose-deep in a pond would imply he is inspecting it for a scent
exists e1 p1 s1 x1 x2 x3 x4.(in(e1,x4) & n_water(x4) & a_pond(s1) & Theme(s1,x4) & exists s2.(Theme(s2,x1) & a_nose-deep(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_stand(e1) & rel(x1,x2) & r_possibly(x2) & n_hound(x2) & of(x2,x3) & n_basset(x3) & n_dog(x1))
exists e1 x1 x2 x3.(n_pond(x3) & n_water(x2) & n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_inspect(e1) & at(x2,x3))