Propose an IR frequency that would distinguish between the following compounds: 
Definitions:
Societies
A collective group of individuals characterized by shared traditions, institutions, and values.
Relative
A person connected by blood or marriage, or someone who is considered in relation or in proportion to something else.
Stranger
An individual who is not known personally to another or not familiar with a particular setting or environment.
Gang
A group of people associated with each other, often involved in criminal activities or sharing a common identity.
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