Unna-Königsborn station
Line S 4 trains of the Rhine-Ruhr S-Bahn reverse here on their way to and from Unna station . 
<triplet> Line S 4 <subj> Rhine-Ruhr S-Bahn <obj> part of <triplet> Rhine-Ruhr S-Bahn <subj> Line S 4 <obj> has part <triplet> Unna station <subj> Rhine-Ruhr S-Bahn <obj> part of