Possible Clues:

• '___ sure you know ...'
• "— sure you know ..."
• "Sure __ standing here ... "
• 'Sure __ standing here ... '
• "... __ sure you know"
• '... __ sure you know'
• "__ sure you're aware …"
• "__ sure you've heard ..."
• "Sure __ standing ..."
• '-- sure you already know ...'