chief minister from the Bharatiya Janata Party
... that Narendra Modi is the longest-serving chief minister from the Bharatiya Janata Party?
... that <a href="./Narendra_Modi" id="mwB_I" rel="mw:WikiLink" title="Narendra Modi">Narendra Modi</a> is the longest-serving <b id="mwB_M"><a class="mw-redirect" href="./List_of_chief_ministers_from_Bharatiya_Janata_Party" id="mwB_Q" rel="mw:WikiLink" title="List of chief ministers from Bharatiya Janata Party">chief minister from the Bharatiya Janata Party</a></b>?