A worker is cleaning the floor of a big outdoor fountain.
A person is washing some public art.
The fact that a worker is cleaning the floor of an outdoor fountain doesn't imply washing some public art.
exists e1 s1 s2 x1 x2 x3.(n_floor(x2) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & of(x2,x3) & n_fountain(x3) & a_outdoor(s2) & Theme(s2,x3) & a_big(s1) & Theme(s1,x3) & n_worker(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wash(e1) & n_art(x2) & a_public(s1) & Theme(s1,x2) & n_person(x1))