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 capital of', Sentence: 'To visit Machu Picchu you must spend at least 2 nights in Cuzco which was the capital of the Inca empire and has many archaeological ruins in the city and nearby .'
answer:
capital

question:
Given Relationship: 'convert to', Sentence: 'After it converts ATP to ADP , the level of the latter accumulates outside the cell and the purine can bind to a purine receptor called P2Y1 .'
answer:
converts

question:
Given Relationship: 'speak', Sentence: 'Teaching - is first because God speaks first and His Word takes priority .'
answer:
speaks