TASK DEFINITION: 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.
PROBLEM: Given Relationship: 'be language of', Sentence: 'Bordered by Liechtenstein , Austria , Italy , France and Germany , Switzerland is a multilingual nation with four national languages : French , German , Romansh and Italian .'

SOLUTION: languages

PROBLEM: Given Relationship: 'be surround by', Sentence: 'Lesotho is geographically surrounded by South Africa and economically integrated with it as well .'

SOLUTION: surrounded

PROBLEM: Given Relationship: 'present at', Sentence: 'Paper presented at the National Research Conference for Marketing Education , Galveston , TX .'

SOLUTION:
presented