A young girl sits on the edge of a sink.
a girl is giving her cat a bath
Nothing about a young girl sitting at a sink says anything about her cat being involved.
exists e1 s1 x1 x2 x3.(n_edge(x2) & on(e1,x2) & of(x2,x3) & n_sink(x3) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Recipient(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_cat(x3) & of(x3,x1) & n_female(x1) & n_bath(x2) & n_girl(x1))