input hypothesis: Kelvin Mithcell Korver started off playing on the offensive line and switched to a defensive tackle. 
Context: Kelvin Mitchell Korver (born February 21, 1949) is a former American football defensive tackle who played three seasons with the Oakland Raiders of the National Football League (NFL). He was drafted by the Raiders in the second round of the 1972 NFL Draft. He first enrolled at Texas A&M University before transferring to Northwestern College. Korver attended Irving High School in Irving, Texas.
true or false: It's impossible to say
input hypothesis: A chiropractor will definitely alleviate all back pain.
Context: How to alleviate back pain naturally<br>Visit a chiropractor. A chiropractor is a specialist who treats neuromusculoskeletal conditions, primarily those that impact the back, neck and joints. A chiropractor will assess your condition and then will help align your spine naturally through a series of adjustments.
true or false: It's impossible to say
input hypothesis: The investigation started a seven days previous to 03/11/93.
Context: From March 4, 1993, when the damage control operation began, through the orchestrated in-house investigation, through the conceiving, conspiring, conniving and sanctioning of lies and misinformation, through the tampering with documents and the destruction of evidence, to the successful campaign to shut down the Somalia inquiry, people in high places for whom we are ultimately responsible have evaded accountability, escaped responsibility and eluded the efforts of properly constituted civilian authority - Parliament, government, a Royal Commission - to establish the truth.
true or false: Yes
input hypothesis: People in Istanbul were born in Turkey
Context: ISTANBUL, March 17 (Reuters) - Turkey’s central bank said on Tuesday it would maintain tight monetary policy until there was a significant improvement in the outlook for inflation. In a statement accompanying its decision to leave key interest rates unchanged, the bank said favourable developments in trade and the moderate course of consumer loans would help Turkey’s current account balance to improve.
true or false: