The Karluk (Qarluk) Turkic, Uyghuric Turkic or Southeastern Common Turkic languages, also referred to as the Karluk languages, are a sub-branch of the Turkic language family.
There is no written form of the Chagatai language.
What can you conclude about the claim "The Karluk (Qarluk) Turkic, Uyghuric Turkic or Southeastern Common Turkic languages, also referred to as the Karluk languages, are a sub-branch of the Turkic language family." if the evidence is "There is no written form of the Chagatai language."?

Options: 

 - supported

 - refuted

 - not enough information
refuted
What can you conclude about the claim "The Karluk (Qarluk) Turkic, Uyghuric Turkic or Southeastern Common Turkic languages, also referred to as the Karluk languages, are a sub-branch of the Turkic language family." if the evidence is "There is no written form of the Chagatai language."?

Options: 

 - supported

 - refuted

 - not enough information
user
refuted
assistant