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.

[Q]: Sentence: 'Switch Guide is devoted to assisting and encouraging users wishing to switch from Microsoft Internet Explorer to a safer and better-performing alternative in Netscape , Mozilla , or Firefox and Thunderbird .', Argument/Subject 1: 'netscape', Argument/Subject 2: 'internet explorer'
[A]: be alternative to


[Q]: 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'
[A]: be founder of


[Q]: Sentence: 'Economy After Slovenia , Croatia was the most developed republic of the former Yugoslavia .', Argument/Subject 1: 'slovenia', Argument/Subject 2: 'yugoslavium'
[A]:
be republic of