Read the text and determine if the sentence is true:

Well, Justice, that certainly is the reason the Government offers for this pattern. It, of course, doesn't explain actually what Congress has done and, even in this case, when a work has passed into the public domain, then there is precisely the same week before/week after problem that you advert to, that extension does not extend to all subsisting works, it only extends to all subsisting copyrights. So that line is already drawn in the practice that Congress has adopted, but our point is, the only way to assure --

Sentence: the practice that Congress has adopted is a good one.
It's impossible to say