1.Relative clause: "who opt to reside in the countryside" uses a relative clause to provide additional information about "individuals," adding depth and detail to the sentence.
2.Comparative structure: "lower cost of living compared to urban areas" uses a comparative structure to highlight the benefits of living in the countryside, enhancing the complexity of the sentence.
3.Infinitive phrase: "to embrace a quieter, more tranquil lifestyle" uses an infinitive phrase to explain the purpose of residing in the countryside, adding clarity and purpose to the sentence.
4.Noun phrase as subject: "Relocating to the countryside" serves as the subject of the sentence, using a complex noun phrase to convey the main idea, showcasing advanced grammar skills.