| Clue | Source | Date |
|---|---|---|
| Non-committal responses | The Telegraph Cross Atlantic | 21 Jul 2025 |
| Wishy-washy R.S.V.P.s | ||
| Unhelpful RSVPs | LA Times Daily | 03 Jun 2024 |
| Uncertain RSVPs | USA Today | 14 Jul 2022 |
| Uncertainties | Newsday | 17 Feb 2022 |
| Indefinite answers | Universal | 25 Nov 2021 |
| Wishy-washy invitees | Wall Street Journal | 23 Jan 2019 |
| Wishy-washy invitees | ||
| Some R.S.V.P.s | New York Times | 30 Sep 2017 |
| Some R.S.V.P.s | ||
| They're not certain | Newsday | 06 Sep 2015 |
| They're not certain | ||
| Possibilities | ||
| Halfhearted R.S.V.P.'s | ||
| Indefinite answers | ||
| Invitees who didn't R.S.V.P., say | ||
| Indefinite answers | ||
| Uncertainties | ||
| Ifs' kin | ||
| Uncertainties. | ||
| Possibilities. |