Instructions: 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.
Input: Sentence: 'CD To MP3 Ripper is an extremely easy and fast-speed tool to digitally convert your De audio CD to MP3 , WAV , WMA , RM and OGG files .', Argument/Subject 1: 'wma', Argument/Subject 2: 'mp3'
Output:
file to