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: 'be focus of', Sentence: 'The Guttmacher Institute , a nonprofit research group focusing on sexual and reproductive health , recently analyzed data on abortions from 1979 to 2004 and found the number of teens having abortions has declined significantly .'
focusing

Given Relationship: 'present at', Sentence: 'Paper presented at the 10th International Conference on Turkish Linguistics , 16-18 August , Bozi University , Istanbul , Turkey .'
presented

Given Relationship: 'be revelation of', Sentence: 'John rose above his circumstances to receive a special revelation from God , which became the book of The Revelation of Jesus Christ , the last book of the Bible .'

revelation