a lettuce
... that you could place bets on a lettuce becoming the British prime minister?
... that you could place bets on <b id="mwAZc"><a class="mw-redirect" href="./Daily_Star_lettuce" id="mwAZg" rel="mw:WikiLink" title="Daily Star lettuce">a lettuce</a></b> becoming the British prime minister?<!--Before 31 October-->