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.

Given Relationship: 'fly from', Sentence: 'Aer Arann are to fly from Blackpool to Dublin following Ryanair 's decision to quit Blackpool Airport .'
from

Given Relationship: 'be focus of', Sentence: 'The Glaucoma Research Center at Wills Eye Institute focuses and coordinates these efforts to discover and disseminate sight-saving knowledge around the world .'
focuses

Given Relationship: 'be appoint by', Sentence: 'Ruling power is concentrated in the President , who appoints a Prime Minister and other members of the Council of Ministers through which the President exercises executive power .'

appoints