Which of the following could be considered "soft" Poka$-$yokes $($Mistake Proofing$)?$

Double entry required when creating a new password

A garage door electric "eye" that stops the door from closing if anything is in the way

An alarm bell that goes off if a driver's seatbelt is unbuckled while the car is in motion

An ATM machine that requires a "swipe" instead of insertion to avoid lost debit cards