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 group in', Sentence: 'By plotting the progress of three foreign-born Hispanic age cohorts who entered the United States by 1980 and three native born Hispanic age groups , it is possible to evaluate the extent to which particular groups are making progress over time .'
groups

Given Relationship: 'be member of', Sentence: 'The District Directory is usually issued to Club Presidents and Secretaries and District Committee members .'
members

Given Relationship: 'be successor to', Sentence: 'XML will be the successor to HTML for the Internet , intranets , and for secure extranets between customers , suppliers and business partners .'

successor