This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Symptoms & Signs , Subject name: Psychiatry
[{'content': 'Which of the following differentiate Pseudohallucination from hallucinations? \nSelect and explain. \nA. Disorder of perception, B. Absence of real stimulus, C. External objective space, D. Involuntary', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. External objective spaceHallucination/Pseudohallucination- disorder of perceptionPSEUDO-HALLUCINATIONSHALLUCINATIONSInner subjective spaceExternal objective spaceClearly delineatedClearly delineatedRemains unalteredRemains unalteredIndependent of willIndependent of will', 'role': 'assistant'}]