Input:

The Boulton Paul Balliol and Sea Balliol were monoplane military advanced trainer aircraft built for the Royal Air Force (RAF) and the Royal Navy Fleet Air Arm (FAA) by Boulton Paul Aircraft. Developed in the late 1940s the Balliol was designed to replace the North American Harvard trainer and used the Rolls-Royce Merlin engine, with the Sea Balliol a naval version for deck landing training.

Sentence: the Royal Air Force (RAF) and the Royal Navy Fleet Air Arm often share resources.

Output: It's impossible to say

Input:

"Paint It Black" (originally released as "Paint It, Black") is a song by the English rock band The Rolling Stones, written by the songwriting partnership of Mick Jagger and Keith Richards, and first released as a single on 6 May 1966. It was later included as the opening track to the US version of their 1966 album, "Aftermath".

Sentence: Paint It Black was written by two people.

Output: Yes

Input:

"Flatline" is the ninth episode of the eighth series of the British science fiction television programme "Doctor Who", written by Jamie Mathieson, and directed by Douglas Mackinnon. The episode stars Peter Capaldi and Jenna Coleman, with Joivan Wade and Christopher Fairbank guest starring. The episode received critical acclaim, with particular praise directed at Coleman's performance.

Sentence: Doctor Who originated in Britain.

Output: Yes

Input:

Hidden City Entertainment was a game publisher founded in 2004 (as Hidden City Games, Inc.) by Jesper Myrfors and Paul Peterson to develop and market the chip-throwing game, "Clout Fantasy." After Clout was developed the company recruited Peter Adkison as CEO.

Sentence: Jesper Myrfors and Paul Peterson started Hidden City Games to develop computer monitors.

Output:
No