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.

Input: Consider Input: Given Relationship: 'be part of', Sentence: 'About 90 % of the total 192359 metric tonnes of coal reserves is concentrated in a few districts of Bihar , Orissa , Madhya Pradesh and West Bengal in the eastern part of India .'

Output: part

Input: Consider Input: Given Relationship: 'open on', Sentence: 'Registration for Cybernet Expo will open in February .'

Output: open

Input: Consider Input: Given Relationship: 'be senator from', Sentence: 'Obama-mania From a junior senator from Illinois to the next president of the United States , Barack Obama broke down barriers and inspired an unprecedented grassroots movement in 2008 .'
Output: senator