Given a part of privacy policy text, identify the type of personal information which is collected, used, tracked or retained. The type of information should be present inside the given policy text, answer as 'Not Specified' otherwise

Input: Consider Input: A user's contact information is retained for an unspecified duration to perform a requested service, and then it is deleted..

Output: Contact


Input: Consider Input: An unnamed third party does receive your survey data for targeted advertising.

Output: Survey data


Input: Consider Input: The public does see your contact information for legal requirements. You can opt out by contacting the company for the use of your information.


Output: Contact


