Find the function 
such that 
Definitions:
Social Contacts
Interactions and connections with other people, ranging from casual acquaintances to close personal relationships.
Psychosexual Development
Freud's theory describing how personality develops through five stages (oral, anal, phallic, latency, genital) from infancy to adulthood.
Correct Order
The arrangement of objects or actions in a sequence based on a specific rule or set of rules.
Stages
Distinct periods or phases in a process of development or a sequence of events.
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