How is dementia diagnosed? Medical history and physical exam. 
Neurological evaluations. 
Brain scans.
Cognitive and neuropsychological tests. 
Laboratory tests. 
Presymptomatic tests. Genetic testing. 
Psychiatric evaluation. How long has Joe Biden had a stutter? Former Vice President Joe Biden opened up about his lifelong struggle with stuttering on Wednesday, offering a rare lengthy and personal reflection on how it has affected him, even to this day. How long has Joe Biden had a stutter? Maybe you've heard Biden talk about his boyhood stutter. Has a medical doctor diagnosed Joe Biden with dementia? US Congress member and  urologist, Dr Greg Murphy tweeted: Joe you are suffering from dementia. I am sorry but it is true. Has a medical doctor diagnosed Joe Biden with dementia? According to another fact-check source:
Greg Murphy... has said repeatedly ... that Biden... has dementia.
Murphy is a medical doctor — a urologist. Has a medical doctor diagnosed Joe Biden with dementia? According to another fact-check source:
He (Dr Greg Murphy )cited Biden's speech patterns
Former US vice-president Joe Biden is showing pretty severe signs of dementia.
Classify the veracity of the claim based on the provided question-answer pairs.

Claim: Former US vice-president Joe Biden is showing pretty severe signs of dementia.

Evidence: How is dementia diagnosed? Medical history and physical exam. 
Neurological evaluations. 
Brain scans.
Cognitive and neuropsychological tests. 
Laboratory tests. 
Presymptomatic tests. Genetic testing. 
Psychiatric evaluation. How long has Joe Biden had a stutter? Former Vice President Joe Biden opened up about his lifelong struggle with stuttering on Wednesday, offering a rare lengthy and personal reflection on how it has affected him, even to this day. How long has Joe Biden had a stutter? Maybe you've heard Biden talk about his boyhood stutter. Has a medical doctor diagnosed Joe Biden with dementia? US Congress member and  urologist, Dr Greg Murphy tweeted: Joe you are suffering from dementia. I am sorry but it is true. Has a medical doctor diagnosed Joe Biden with dementia? According to another fact-check source:
Greg Murphy... has said repeatedly ... that Biden... has dementia.
Murphy is a medical doctor — a urologist. Has a medical doctor diagnosed Joe Biden with dementia? According to another fact-check source:
He (Dr Greg Murphy )cited Biden's speech patterns

Options: 

 - supported

 - refuted

 - not enough evidence

 - conflicting Evidence/Cherrypicking
refuted
Classify the veracity of the claim based on the provided question-answer pairs.

Claim: Former US vice-president Joe Biden is showing pretty severe signs of dementia.

Evidence: How is dementia diagnosed? Medical history and physical exam. 
Neurological evaluations. 
Brain scans.
Cognitive and neuropsychological tests. 
Laboratory tests. 
Presymptomatic tests. Genetic testing. 
Psychiatric evaluation. How long has Joe Biden had a stutter? Former Vice President Joe Biden opened up about his lifelong struggle with stuttering on Wednesday, offering a rare lengthy and personal reflection on how it has affected him, even to this day. How long has Joe Biden had a stutter? Maybe you've heard Biden talk about his boyhood stutter. Has a medical doctor diagnosed Joe Biden with dementia? US Congress member and  urologist, Dr Greg Murphy tweeted: Joe you are suffering from dementia. I am sorry but it is true. Has a medical doctor diagnosed Joe Biden with dementia? According to another fact-check source:
Greg Murphy... has said repeatedly ... that Biden... has dementia.
Murphy is a medical doctor — a urologist. Has a medical doctor diagnosed Joe Biden with dementia? According to another fact-check source:
He (Dr Greg Murphy )cited Biden's speech patterns

Options: 

 - supported

 - refuted

 - not enough evidence

 - conflicting Evidence/Cherrypicking
user
refuted
assistant