Which of the following describes the reverse mentoring technique?

a$.$ Pairing two junior employees together so that they can share their diverse skill sets with each other

b$.$ Pairing a senior employee with a junior employee so that each can learn about a different group in the workforce

c$.$ Pairing a senior employee with a junior employee to transfer the skills of the senior employee to the junior employee

d$.$ Pairing a senior employee with a junior employee so that both can learn skills from each other

e$.$ Pairing a senior employee with a junior employee to transfer the skills of the junior employee to the senior employee