Teacher: Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Relationship: 'knock', Argument/Subject 1: 'someone', Argument/Subject 2: 'it'
Solution: The mailbox was bent and broken and looked like someone had knocked it over on purpose.
Reason: The generated sentence contains the two given subjects - someone and it, and they are related to each other on the basis of the given relationship - knocked

Now, solve this instance: Relationship: 'be volcano in', Argument/Subject 1: 'mauna kea', Argument/Subject 2: 'hawaius'
Student:
The astronomers performed a deep survey of two blank regions of sky using a revolutionary new instrument on the 15-meter diameter James Clerk Maxwell Telescope atop the dormant volcano Mauna Kea on the Big Island of Hawaii .