Context:
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.
Hypothesis: The Harvard trainer was used for 50 years.
It's impossible to say
Context:
Son of A Gun is the debut extended play single by Glasgow alternative rock group The Vaselines. The title-song of this EP came to a wider audience after Nirvana covered it, along with "Molly's Lips", on their compilation album "Incesticide". "You Think You're A Man" is a cover of a song written by the cult-film actor Divine, while the other two were written by Frances McKee and Eugene Kelly.
Hypothesis: Son of Fun is the debut extended play single by Glasgow alternative rock group The Vaselines. 
No
Context:
Wuqiang County () is county of southeastern Hebei province, China. It is under the administration of Hengshui City, with a population of 210,000 residing in an area of 442 km2 . Both China National Highway 307 and G1811 Huanghua–Shijiazhuang Expressway pass through the county.
Hypothesis: Hebei province is in Alaska.

No