Vague Pronoun Reference

A vague pronoun reference is not as complicated as the words sound. What happens when you have a vague pronoun reference is the noun of representation is not clear.
The government should not be permitted to regulate gay or lesbian marriage because it is discrimination.
The above sentence does not correctly identify exactly which noun is being represented.
Government is a noun, but marriage can also be a noun. Below is the correct way of stating the example sentence.
The government should not be permitted to regulate gay or lesbian marriage. …