Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

Relationship: 'be service of', Argument/Subject 1: 'pubm', Argument/Subject 2: 'us national library of medicine'
PubMed is a service of the U.S. National Library of Medicine that includes over 17 million citations from MEDLINE and other life science journals .

Relationship: 'turn to', Argument/Subject 1: 'heero', Argument/Subject 2: 'duo'
As Duo slid his legs down and then crouched over Heero 's lap to start an up and down counter rhythm to Heero 's thrusts , it was Heero who moaned and groaned and turned a dark , passionate red .

Relationship: 'return to', Argument/Subject 1: 'jesus', Argument/Subject 2: 'god'

God asserted His rule in history by defeating Satan and death through the work of Jesus , even though God will not complete his display of authority until Jesus returns in judgment , when he will start the new world order .