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:
The Open Database License ( ODbL ) is a copyright license for sharing database contents .

Ex Output:
The Open Database License ( ODbL ) is a copyleft ( " share alike " ) license agreement intended to allow users to freely share , modify , and use a database while maintaining this same freedom for others .


Ex Input:
Cygnus X-1 was the first X-ray source accepted as a black hole .

Ex Output:
Cygnus X-1 ( abbreviated Cyg X-1 ) is a galactic X-ray source in the constellation Cygnus , and the first such source widely accepted to be a black hole .


Ex Input:
The Shahadah is the Muslim declaration of belief in the oneness of God and on Muhammad as his final Prophet .

Ex Output:

The Shahada ( " " -RSB- , " the testimony " ) is an Islamic creed , one of the Five Pillars of Islam , declaring belief in the oneness of God ( " tawhid " ) and the acceptance of Muhammad as God 's prophet .


