Given the task definition and input, reply with output. 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: 'The model was perceived as unwelcome and unsettling by religious fundamentalists whose competing model placed Earth at the center of the Universe .', Argument/Subject 1: 'earth', Argument/Subject 2: 'universe'
be center of