How Does a Mission Statement Differ from a Vision Statement

How does a mission statement differ from a vision statement?

A) The mission statement typically includes a fairly substantial effort to establish some direct line-of-sight between individual competency requirements and the broader goals of an organization.
B) The mission statement includes the purpose of the company as well as the basis of competition and competitive advantage.
C) The mission statement is an effort to anticipate future business and environmental demands on an organization,and to provide qualified people to fulfill that business and satisfy those demands.
D) The mission statement includes the result of an analysis of the future availability of labor and also future labor requirements.