A small tub sits in front of the statue.
The small tub by the statue is for the birds to bathe and play in.
The small tub is in front of the statue not just by it.  The statue does not have to be for the birds to bathe and play in.
exists e1 s1 x1 x2 x3.(n_statue(x3) & in(e1,x2) & of(x2,x3) & n_front(x2) & Actor(e1,x1) & v_sit(e1) & n_tub(x1) & a_small(s1) & Theme(s1,x1))
exists e1 p1 s1 x1 x2 x3.(n_bird(x3) & n_statue(x2) & n_tub(x1) & a_small(s1) & Theme(s1,x1) & Topic(e1,p1) & Actor(e1,x1) & v_be(e1) & exists e3 e2 s2.(a_in(s2) & Manner(e3,s2) & Actor(e3,x3) & v_play(e3) & Actor(e2,x3) & v_bathe(e2)) & by(x1,x2))