type your answers into an email, send it to the TA until the official end of the course unit, ie: 17:00! (email sending date counts)
fill in the questionnaire and submit it to the TA until today midnight
(as discussed, responding to all questions is a mandatory prerequisite for getting points on the problem sheet; however, the contents of the answers does in no way affect grades, and it will be kept confidential and used only in a completely anonymized way)