Querying the documents need to be signed in time or not. If you want to check if anyone was likely to sign up to fill out the questionnaires. You can check a list of those who do.
The questionnaire will need to sign in each time? If you want to check whether anyone else is likely to sign, and then get a questionnaire to fill out. The list can be checked from the people who do.
The survey will need to sign in to the document every time or not if you want to check who it was that had come down, it would be called, and then survey to fill out, it can be checked from the.