Which of the followings about CRC cards are correct $($choose all that apply$)?$

In a CRC card, Responsibilities represent other classes that the current class interacts with through use$-$cases

CRC cards are used to document the essential properties of a class

In a CRC card, the attributes section represents the knowing responsibilities that each instance of the class has to meet

In a CRC card, the relationships section represents the doing responsibilities that an instance of a class must be capable of doing