Detailed Instructions: In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).
Q: Context: Tirumani is a suburb of Chennai located south of Chengalpattu., Ottivakkam ( Tamil :  ) is a suburb of Chennai located south of Tirumani . It has a suburban railway station and falls under south line ., Chengalpattu, formerly known as Chingleput, is located on the GST Road and southwest of Kanchipuram in Kanchipuram district, Tamil Nadu, India. The British Government called this whole district Chingleput; now it is named Kanchipuram District. Chengalpattu is the 2nd largest town in the district, after Kanchipuram., Subject: ottivakkam, Relation: located_in_the_administrative_territorial_entity, Options: (A) chennai (B) india (C) of (D) road (E) south (F) southwest (G) tamil nadu
A:
tamil nadu