Historical clue formulations

• "If you say so" — 2024-09-29
• "Uh, sure" — 2023-01-08
• "Well, maybe" — 2022-07-31
• "Yeah, sure" — 2022-01-01
• "Reckon so" — 2017-12-31
• "Um ... O.K." — 2017-03-14
• "If you say so" — 2016-12-04
• "Well ... probably" — 2016-01-21
• "Well, perhaps ..." — 2011-07-22
• "Um ... O.K." — 2010-10-27
• "Perhaps ..." — 2009-05-24
• "Um ... sure" — 2007-11-15
• Unconvincing concurrence — 2001-01-28