The third sounds correct....
What is the exact question you are asking?
Answer: flavors of ice cream
Explanation: Subjectivism theory sees values of what is morally right or wrong like the "flavors of ice cream" i.e values of what is right or wrong is just a matter of what one personally prefers.
This theory holds that there is nothing like objective moral truth and and the only standard of judgement should be that of individuals rather than communal i.e the standard of judgement should be the individual moral conscience.
Answer:
I guess you could say "120 people were interviewed in three social classes by me"
