For a second , he looked surprised but he recovered quickly . " Uncle ... I do not know which time you are referring to . Probably you are assuming that the things are same as you saw two decades back when you left India .
According to the above context, choose the best option to answer the following question.
Question: Why is the uncle confused about where he is ?
Options:
- The narrator tried to trick him .
 - He is having a nightmare .
 - None of the above choices .
 - He is elderly and is experiencing dementia .


He is elderly and is experiencing dementia .