A brown dog barks over its shoulder in the water.
An animal is having trouble stating afloat.
A dog barks over its shoulder in the water does not imply the dog is having staying float.
exists s1 x1 x2 x3 x4.(n_water(x4) & a_topic(x1) & over(x1,x3) & in(x3,x4) & n_shoulder(x3) & of(x3,x1) & n_thing(x1) & n_bark(x1) & of(x1,x2) & n_dog(x2) & a_brown(s1) & Theme(s1,x1))
exists e1 p1 x1 x2.(exists e2 s1.(a_afloat(s1) & Manner(e2,s1) & Actor(e2,x2) & v_state(e2)) & Recipient(e1,p1) & Actor(e1,x1) & Topic(e1,x2) & v_have(e1) & n_trouble(x2) & n_animal(x1))