Assertion: missionary's mission | /r/HasProperty | the statement
Facets:
Source sentences:
text: Often called the “credo”, “philosophy”, “core values” or “our aspirations”, organization’s mission is the statement that defines its core purpose or reason for being.  
text: Mission is a statement, which defines the role that an organization plays in a society.
text: Mission is the statement that must be understood by employees of all levels.