In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Ex Input:
Christians who are superior at " evangelism " are known as evangelists , whether in their areas or to far away places .

Ex Output:
Christians who specialize in evangelism are often known as evangelists , whether they are in their home communities or living as missionaries in the field , although some Christian traditions refer to such people as " missionaries " in either case .

Ex Input:
Christian metal , also known as ' white metal ' , is a form of heavy metal music which a Christian band makes to praise Jesus .

Ex Output:
Christian metal , also known as white metal , Jesus metal or heavenly metal , is a form of heavy metal music usually defined by its message using song lyrics as well as the dedication of the band members to Christianity .

Ex Input:
Volcanic ash ( tephra ) has a geochemical fingerprint .

Ex Output:
Tephrochronology is a method for geochemical correlation of unknown volcanic ash ( tephra ) to geochemically fingerprinted , dated tephra .