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 island in', Sentence: 'Cuba is the bigger island extension of the biggest Antilles .'

Answer: island

Question: Given Relationship: 'be battle', Sentence: 'I nietzsche BACTRIM was battling Lyme , BACTRIM got in same tempra .'

Answer: battling

Question: Given Relationship: 'become', Sentence: 'When Obama becomes President , where are the right-wingers going to go ? Mexico ?'

Answer:
becomes