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: 'The elected officers of the Society shall be a President , a Vice-President , a Secretary and a Treasurer .', Argument/Subject 1: 'president', Argument/Subject 2: 'society'
[A]: be officer of

[Q]: Sentence: 'The house of Ripafratta is located in Tuscany just 27 kms from Florence , 3 from Borgo San Lorenzo , 5 km .', Argument/Subject 1: 'florence', Argument/Subject 2: 'tuscany'
[A]:
be locate in