In terms of the quality of the holdings, that can be a question mark as well.
The whole thing is scary, because there's a question mark hanging over my head.
And it would raise a question mark over the means testing of social care.
Funding woes at Nasa have put a question mark against many of its planned activities.
Taken in its strictest definition, there is a question mark over whether celibacy is possible.
Committee member Raymond McCartney said the case put a question mark over the future of supergrass trials.
BBC: Mark Haddock UVF supergrass trial cost taxpayers ?11.5m
There is in any case a large a question mark over the take-up of elected mayors outside London.
On the domestic front, the clouds of inflation hover, putting a question mark over the sunny economic outlook.
The row with Global Marine also puts a question mark over an order for two other vessels from that firm.
BBC: News | Northern Ireland | New row threatens shipyard's future
Indeed, there was a question mark over why the Bannsiders hadn't been awarded a penalty for Murphy's moment of madness.
He pronounced these words without a question mark, simultaneously buttoning one button in his shirt, through which his gray-haired chest showed.
The sponsorship has been a question mark since Art Basel acquired Art HK because of UBS's sponsorship of the group's other events.
For many, that leaves a question mark over whether he is willing and able to take the BOE in a different direction.
"His condition has improved slightly but a question mark remains, " he said.
With a question mark hanging over the pilot of SQ006 at Taipei, any suggestion of pilot error usually comes with serious legal consequences.
Agreeing that more asset purchases may lower interest rates, there was a question mark surrounding whether it boosted overall consumer demand or not.
Celtic were toying with the visitors, whose confidence had utterly evaporated, leaving a question mark over the future of under-pressure Aberdeen manager Mark McGhee.
We'll revisit Google TV once there are more apps, but for now this part of the platform and the experience is a question mark.
He reckoned that if he wasn't around any more, there'd always been a question mark over his guilt, which would be good for his children.
"The work is at a highly experimental stage and there's still a question mark over the capacity of these cells to form tumours, " she said.
But there is still a question mark regarding the second game.
As superb as Nadal has been since returning from a seven-month injury layoff, his clay-court season hasn't been perfect and his knee remains a question mark.
It will also leave a question mark over the next series of The Apprentice, as one of Chiles's BBC roles was presenting its spin-off, You're Fired.
In the meantime, there has been a question mark over what will happen to council tax benefit - the most widely-claimed benefit or tax credit in Wales.
All the biggest tech companies appear to be anticipating big holiday seasons for tablets across the board, but how it will all shake out remains a question mark.
The loss of Lib Dem support would place a question mark over the future of the bill as the Conservatives would struggle to push it through Parliament alone.
"It leaves a question mark over this race, and we won't have the final answer until the votes are counted, " said David Gergen, a senior political analyst for CNN.
Mets manager Terry Collins said Hefner will be the team's No. 4 starter behind Jonathon Niese, Matt Harvey and Dillon Gee, and that the final spot is a question mark.
Other non-premium updates include a new Stamps tool that'll let you mark a document with symbols to indicate approval, disapproval, a question mark, an exclamation point and (of course) a heart.
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