You will be given a definition of a task first, then some input of the task.
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).

Context: Thodupuzha is the largest town and municipality in Idukki district in the Kerala state of India, spread over an area of 35.43 km. Thodupuzha is from Kottayam and south east of Kochi. Thodupuzha is 200 km from the state capital, Trivandrum. Geographical classification of Thodupuzha Region is Malanad or Idanad., Pezhakkappilly ( Malayalam -  ) is a suburb of Muvattupuzha town . This small town is situated in Muvattupuzha - Angamaly MC Road . The main junction is Paipra Junction . It is 4 km towards north from Muvattupuzha . From here there are roads to nearby small towns like Cheruvattoor , Puthuppady and Valakom . Education institutions in this area are Ilahia College of Arts and Science , Pezhakkappilly Government HIgher Secondary School ( The Number one Government School in Muvattupuzha Educational District ) , TMA Public School and Arafa Public School ., Kothamangalam is a Municipality in the eastern part of Ernakulam district in the Indian state of Kerala. It is around 14 km northeast of the town of Muvattupuzha and 55 km north east of Kochi city. The town is in the foothills of the Western Ghats mountain ranges. The highway NH-49 Ernakulam  Madurai  Rameswaram passes through Kothamangalam., Thodupuzha River has its origins in the Thodupuzha Taluk in the Idukki district of Kerala, India, and is a tributary of the Muvattupuzha river. The river is one of the few in the state that does not become dry in the summer as the outflow from the Idukki hydro-electric project is drained into this river via Kanjar river. The town Thodupuzha is on the banks of this river, hence it got the name Thodupuzha. , Muvattupuzha is a merger place of three rivers  namely Thodupuzhayar (Thodupuzha river), Kaliyar (Kali river) and Kothayar (Kothamangalam river)  to form Muvattupuzhayar, and hence this Thriveni Sangamam or confluence of three rivers is called Muvattupuzha., Subject: pezhakkappilly, Relation: located_in_the_administrative_territorial_entity, Options: (A) east (B) ernakulam (C) ernakulam district (D) idukki district (E) india (F) kerala (G) north (H) north east (I) of (J) river (K) three rivers
Output:
ernakulam district