Definition: In this task, you are given triplets. Each triplet is in the form of [subject, predicate, object]. Your task is to generate proper sentence that utilizes these triples. The objective is to construct a sentence that (a) captures the facts specified in the triples and (b) is a well-formed sentence easily understandable by a human. All triple values need not be used directly in the sentence as long as the facts are adequately captured.

Positive Example 1 -
Input: [['Northwestern College', 'NICKNAME', 'Red Raiders'], ['Northwestern College', 'LOCATION', 'Orange City, Iowa']]
Output: The team whose nickname is red raiders is located in the orange city, iowa

Positive Example 2 -
Input: [['University of Mississippi', 'NEW_CONFERENCE', 'SELC']]
Output: University of mississippi was in the selc new conference.

Negative Example 1 -
Input: [['Graham Edwards', 'PROVINCE', 'North Metropolitan']]
Output: Province North Metropolitan Province is represented by the Graham.

Negative Example 2 -
Input: [['Li Qiaoxian (CHN)', 'PRELIMINARY_RANK', '6']]
Output: Li Qiaoxian has 6 ranks in China.

Now complete the following example -
Input: [['Sumatra', 'ETHNIC_GROUP', 'Batak']]
Output: Batak is the ethnic group in Sumatra.
Batak is an ethnic group found in Sumatra.
Batak is an ethnic group in Sumatra.