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
Consider the following features: UPSC 07 Impaired judgment Impaired memory Alteration of mood Clouding of consciousness Which of the above are characteristic of dementia? 
Select and explain. 
A. i. and ii, B. i, ii and iii, C. iii and iv, D. i, ii, iii, iv
B: i, ii and iii
Answer: B: i, ii and iii 
Explanation: Ans. i, ii and iii