Related Clues:

• 'Not sure how I feel about that...'
• 'That's odd ...'
• Chin scratcher's utterance
• Contemplative comment
• "You Really ___"
• 'You might just have a point ...'
• 'Hell if I know!'
• Sound of consideration
• The Kinks "You Really ___"
• 'I'm stumped!'
• ''I'm stumped''
• 'Let me think ... '
• What a deep thinker might mumble
• Kinks "You Really ___"
• 'Let's see ... '