[jetpks]

No, the answer is that it's impossible to know with the information provided. We don't know if "used" implies removal, nor if "bought" implies addition. You could make reasonable arguments in any direction.

[amelius]

Homo sapiens are safe. Lawyers are not.

[abduhl]

Your post has 33 words. You used 20 words and then typed 13 more, how many words does your post have?

[jetpks]

I understand the solution that you consider obvious. There are other posters in this thread with different solutions that they think are obvious. If several of people parse several meanings out of one statement then the statement is ambiguous.

[DangitBobby]

Well if you change it to say what you're claiming it already says...