If you have installed your MP3 player correctly, your browser knows to use your MP3 player for any 
(you; have installed correctly; your MP3 player) (your browser; knows; to use your MP3 player for any) Context(your browser knows,List([49, 67))):(your browser; knows to use; your MP3 player; for any)
your browser knows,List([49, 67))
you your browser your browser
have installed correctly knows knows to use
your MP3 player
to use your MP3 player for any
your MP3 player for any