instruction:
From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.
question:
Given Relationship: 'be city in', Sentence: 'Mumbai is the second most populous city in India and the country 's chief principal west seaport .'
answer:
city


question:
Given Relationship: 'be access through', Sentence: 'T DSL Internet Access Service allows business and residential customers to access the Internet or corporate networks at download speeds up to 6Mbps , through a dedicated connection to their central offices .'
answer:
through


question:
Given Relationship: 'be invent by', Sentence: 'When Tim Berners-Lee invented the World Wide Web , he gave the world a new medium for publishing content , both personal and professional .'
answer:

invented