[Q]: What is the question to: "Vitamin A has multiple functions, it is important for growth and development, for the maintenance of the immune system and good vision."? The topic is Vitamin A.
****
[A]: "what is vitamin a for?"

[Q]: What is the question to: "Diagnosis is based on observed behavior and the patient's reported experiences."? The topic is Schizophrenia.
****
[A]: "how is schizophrenia diagnosed??"

[Q]: What is the question to: "In United States college athletics , redshirt is a delay or suspension of an athlete's participation in order to lengthen his or her period of eligibility."? The topic is Redshirt (college sports).
****
[A]: "what is a redshirt freshman football player?"

[Q]: What is the question to: "It was first identified by Dr. Ernst von Romberg in 1891."? The topic is Pulmonary hypertension.
****
[A]:
"who pulmonary hypertension?"