What is the different between a solution design document and an Adobe campaign playbook?

What is the different between a solution design document and an Adobe campaign playbook?
A . A solution design document describes the design and implementation of a solution, while a playbook describes how to operate it.
B . A solution design document contains a guide to marketing activities while a playbook includes technical information.
C . A solution design document contains high level architectural content, but a Campaign playbook goes into a lot more detail.
D . A playbook contains the same information as a solution design document, except it is written in a way to be more client friendly

Answer: B