Definition: Sometimes users of dialogue systems ask vague questions/queries from the system. In this case, the system asks them a clarifying question to be able to answer it correctly. In this task, you are given a question/query in natural language and your task is to ask a good clarifying question to understand the given question/query more precisely.

Positive Example 1 -
Input: Tell me about defender
Output: are you referring to the arcade game called defender

Positive Example 2 -
Input: I'm looking for information on hobby stores
Output: what location do you want to find a hobby store in

Negative Example 1 -
Input: Find me information about the Ritz Carlton Lake Las Vegas.
Output: do you want information about Ritz Carlton Lake now or later

Negative Example 2 -
Input: I'm looking for information on hobby stores
Output: why are you looking for information on stores

Now complete the following example -
Input: How to use wiki?
Output: 



Output:
are you interested in how wiki is used
would you like information about creating a wiki
do you want to know how wiki works
how much do you know about markup language on wiki
is a rich text editor something you are familiar with
what wiki site are you interested in
what would you like to know about ward cunningham inventor of th wiki
what would you like to know about the collaborative nature of wiki
what would you like to know about wiki software
would would you like to know about the most popular wikibased website