One possibility suggested by an attendee: Sud-Zero.
One possibility suggested early on was that Captain Button had fallen ill.
Another possibility suggested by many was whether the resin she used in her bow was causing the problem.
Another possibility, suggested by Alexandra Tomalonis, the editor of Dance View, is that the company may have a lingering Soviet resistance to sad endings.
Unless you go with a possibility suggested earlier in the book: Jack has "dust dementia" and has imagined the whole thing.
That possibility suggested an outcome to the Libyan conflict in which the colonel and his relatives would be confined in some sort of internal exile.
It is a possibility suggested by the likelihood that Partizan Belgrade's impressively skilled and feisty young Zoran Tosic will soon be arriving with an £8m price tag.
A related possibility, suggested to Robert Schlesinger of U.S. News by an anonymous Republican strategist, is that Romney doesn't need Trump's friendship but can't afford his enmity.
Another possibility suggested by Pete Wetherby QC, who specialises in cases of this sort, would be to shift the burden of proof so that the presumption would be in favour of release.
The most extreme possibility suggested by the new observations is that there is something crucially wrong in a theory called inflation, scientists' leading picture of what happened in the earliest moments of the Big Bang.
One possibility, suggested for a type of parasite called a SINE (short interspersed element), is that it helps promote the production of proteins when a cell is put under stress.
