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.
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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


Question: Given Relationship: 'be form of', Sentence: 'This suggests that ATIVAN is a very buried form of ASD.'

Answer: form


Question: Given Relationship: 'surrender to', Sentence: 'American independence from Britain was assured when George Washington forced Lord Cornwallis to surrender at Yorktown , Virginia , in 1781 .'

Answer:
surrender