This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
A person was brought by police from the railway platform. He is talking irrelevant. He is having a dry mouth with hot skin, dilated pupils, staggering gait and slurred speech. The most probable diagnosis is - 
Select and explain. 
A. Alcohol intoxication, B. Carbamates poisoning, C. Organophosphorus poisoning, D. Datura poisoning
D: Datura poisoning
Answer: D: Datura poisoning 
Explanation: The patient in question has

(i) Muttering delirium (talking irrelevant), 
(ii) Dry mouth, 
(iii) Hot skin and 
(iv) Dilated pupil. 
Diagnosis is datura poisoning.