In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
Q: Catatonia is a state of psycho-motor immobility and behavioral abnormality manifested by stupor. It was first described in 1874 by Karl Ludwig Kahlbaum, in German: Die Katatonie oder das Spannungsirresein (Catatonia or Tension Insanity).
A: 
​which of the following is the definition of catatonia