Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Given Relationship: 'be city of', Sentence: 'But we want to end by saying thank you for this opportunity and we look forward to continue working with the City to help make Toronto the cleanest and greenest city in Canada .'
Student:
city