Sullivan County Airport (IATA: SIV, ICAO: KSIV, FAA LID: SIV) is a county-owned public-use airport located three nautical miles (6 km) northwest of the central business district of Sullivan, a city in Sullivan County, Indiana, United States. It is included in the FAA's National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" facility.

Choose your answer: based on the paragraph above can we conclude that "The sullvan country airport has had faa natonal plan included in the year 4 years prior to 2017."?

OPTIONS:
 a). Yes.
 b). It's impossible to say.
 c). No.
I think the answer is