the house in which Leon Trotsky was murdered
... that the house in which Leon Trotsky was murdered is a museum which hosts yearly exhibits by graffiti artists?
... that <b id="mwE-8"><a class="mw-redirect" href="./Leon_Trotsky_Museum,_Mexico_City" id="mwE_A" rel="mw:WikiLink" title="Leon Trotsky Museum, Mexico City">the house in which Leon Trotsky was murdered</a></b> is a museum which hosts yearly exhibits by <a href="./Graffiti" id="mwE_E" rel="mw:WikiLink" title="Graffiti">graffiti</a> artists?