Related Clues:

• 'Interesting'
• 'I have no idea!'
• 'Wait, it'll come to me ...'
• Perplexed pronouncement
• 'Well, let me think ...'
• 'I have no idea'
• 'Dunno'
• "Very interesting ..."
• 'Well, let me see …'
• 'Let me think ...'
• 'That's curious …'
• 'No clue'
• 'Let me think about that …'
• 'I wonder ...'
• "Let me think ..."