| 2024-05-30 | Nebulous |
| 2022-08-27 | Unclear |
| 2020-09-16 | Indistinct |
| 2018-03-07 | Blurred |
| 2018-02-28 | Like recollections of people trying to avoid perjury? |
| 2017-11-21 | Imprecise, as a memory |
| 2017-07-09 | Nebulous |
| 2016-02-09 | Vague |
| 2015-07-04 | Confused |
| 2015-01-12 | Like some memories or summer skies |
| 2011-02-21 | Having a bit of smog |
| 2009-02-01 | Vague, as a recollection |
| 2008-09-08 | Unclear |
| 2007-12-14 | Unclear |
| 2007-01-08 | Having a bit of smog |
| 2005-02-14 | One of the three H's in a summer weather forecast |
| 2003-12-03 | Hard to recollect |
| 2002-11-22 | Like some recollections |