Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.

Sentence: 'When Christ was born in Bethlehem , the angels of God appeared to the shepherds , who were watching their flocks by night , and gave divine credentials of the authority of the newborn babe .', Argument/Subject 1: 'christ', Argument/Subject 2: 'bethlehem'
be bear in