As for cast, the addition of Kit Harington positions the film for the attention of Game of Thrones fans, but the actor is pretty unproven at the theatrical box office.
Over the gallery lunch today Mr Major led the opposition to Iain Duncan Smith over welfare reform: "Unless Iain Duncan Smith is very lucky, which he may not be, or a genius, which is unproven, he may get some of it wrong".
But for all the drama of their recent improvement, the Australians were unproven away from home; the last two tours had yielded seven defeats and two draws.
Under their dashing but unproven young leader, Justin Trudeau, the Liberals have attempted a youth-centred revival promising a break from the complacency and cronyism of the party's recent past.
The answer I received – the board would not take a risk on an unproven fundraising, female chief executive.
What's unproven, for now, is whether Spotify is as ripe as Snapchat for video.
This claim is unproven but the anecdotal evidence is plentiful and compelling.
The money kept rolling in, courtesy of the still unproven gamble on throwing all of its eggs into Sky's basket, and with it the ability for Clarke to use that cash to keep the counties onside.
Geo promptly aired unproven allegations by Mr Mir's brother that the attack had been ordered by Zaheer-ul-Islam, the general in charge of the Inter-Services Intelligence directorate (ISI), the powerful military-espionage agency (which denied involvement).The station's claim precipitated a split between military and civilian leaders.
But because the brand was still unproven in India, retailers refused to grant the firm exclusivity, so Mr Babu agreed to one-way exclusivity.
Perhaps, especially if the complaints against him are shown to have been untrue, unproven or exaggerated.
