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

Relationship: 'be convert to', Argument/Subject 1: 'lombard', Argument/Subject 2: 'christianity'
Not long after it had been sacked by Totila and its walls razed , Benevento became the seat of a powerful Lombard duchy , which soon converted from Arianism to Trinitarian Christianity .

Relationship: 'reveal in', Argument/Subject 1: 'god', Argument/Subject 2: 'christ'
What God has revealed in Christ Jesus is a mystery .

Relationship: 'hold in', Argument/Subject 1: 'conference', Argument/Subject 2: 'cambridge'

Reproductive Health Conference in the 21st Century at Radcliffe Institute at Harvard University held in Cambridge , MA - October 14 - 16 , 2004 .