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 Web Pen Blog is proudly powered by WordPress .', Argument/Subject 1: 'blog', Argument/Subject 2: 'wordpress'
be power by

Sentence: 'Plotinus Egyptian-born founder of Neoplatonism , who synthesized the ideas of Plato and other Greek philosophers .', Argument/Subject 1: 'plotinus', Argument/Subject 2: 'neoplatonism'
be founder of

Sentence: 'At 449,964 km? , Sweden is the third largest country in Western Europe .', Argument/Subject 1: 'sweden', Argument/Subject 2: 'western europe'
be country in