Impact of deleting a response option from a questionnaire already in use

Hello,

I have a "Questionnaire". This questionnaire is already assigned and in use : some employees have already completed it, while others have not yet responded.

For one of the questions, I would like to delete one of the response options.

Before making this change, I would like to understand the potential impact on the following :

1. For employees who have already completed the questionnaire and selected the response I intend to delete :
   • Will their submitted answer be removed or become unreadable ?
   • Will this affect reporting or cause any errors in the task tracking ?
2. For employees who have not yet completed the questionnaire :