Problem: Datong () is a prefecture-level city in northern Shanxi province, People's Republic of China, located in a basin at an elevation of 1040 m and bordering Inner Mongolia to the north and west and Hebei to the east. It had a population of 3,318,057 at the 2010 census of whom 1,629,035 lived in the built up area made of 3 out of 4 urban districts, namely Chengqu, Kuangqu and Nanjiao District.

Based on the paragraph above can we conclude that "many people have recently moved away from the area"? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Q: Spanish Mastiff will be wiped off the earth by 2050
The Mastin Espanol or Spanish Mastiff, is a giant breed of dog, originating in Spain, originally bred to be a guard dog whose specialized purpose is to be a Livestock guardian dog protecting flocks (and occasionally herds) from wolves and other predators. The Mountain dog type has a heavier coat.
OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

Donaldson Center Airport (IATA: GDC,ICAO: KGYH,FAA LID: GYH) is a public airport six miles (10km) south of the central business district of Greenville, a city in Greenville County, South Carolina, United States. It located at the Donaldson Center Industrial Air Park and is owned by the City and County of Greenville.
Donaldson Center Airport is 5 miles south of the central business district of Greenville. OPTIONS:
- Yes
- It's impossible to say
- No
A: No

input hypothesis: Robert A. Heinlein loved "They"
Context: "They" is a short story written by American science fiction author Robert A. Heinlein. It was first published in the April 1941 issue of "Unknown", and can be found in Heinlein's short story collection "The Unpleasant Profession of Jonathan Hoag". It also appears in a number of multi-author anthologies.
OPTIONS:
- Yes
- It's impossible to say
- No
true or false: It's impossible to say

Context:
Hubertus "Huib" Wilton (12 March 1921 in Rotterdam 29 October 1959) was a Dutch tennis player. He was on the 1953 Netherlands Davis Cup team which also included among others Hans van Swol (his partner in the men's doubles), Boebi van Meegeren and Ivo Rinkel. In 1950 Wilton reached the second round at Wimbledon, losing to Henry Billington of Great Britain 61 75 119.
Hypothesis: Hubertus "Huib" Wilton was the tallest tennis player. OPTIONS:
- Yes
- It's impossible to say
- No
It's impossible to say

Problem: The 2007 Grand National (known as the John Smith's Grand National for sponsorship reasons) was the 160th official annual running of the world-famous Grand National steeplechase which took place at Aintree Racecourse near Liverpool, England, on 14 April 2007 and attracted the maximum permitted field of forty competitors for a total prize money of 700,000 including 399,140 to the winner.

Based on the paragraph above can we conclude that "Only forty competitors could participate in the 160th official annual Grand National steeplechase and every slot was filled."? OPTIONS:
- Yes
- It's impossible to say
- No

A:
Yes