Historical clue formulations

• "It sounds to me like ..." — 2020-09-18
• "My suspicion is ..." — 2020-04-04
• "My assumption is ..." — 2019-02-07
• Presumptive assertion — 2017-10-15
• Words of speculation — 2017-09-30
• "It seems to me ..." — 2016-02-28
• "It seems to me ..." — 2011-12-03