Here's an example of the value of a term depending on Context:
whereas
We can consider 
as a term for which
the set of possible values depends on context. In the case of the
Supreme Court justice, the set consists of real women, whereas in
the Sherlock Holmes case, it consists of fictitious women.
Thus, a context is characterized by the fundamental
relationship ‘is true in’, or ‘ist’, where:
[Statement] --ist--> [Context]
means that [Statement] is true in [Context]. A
context may be taken to be some environment within which some statements are
held to be true. Thus, to use a statement in some chain of reasoning, one must
determine (or assume) that a context that the statement ‘is true in’ applies to
the circumstances of that reasoning.