But you're speculating. Based on the info, there is no reason to think cane sugar is anything other than cane sugar.
Yes I'm speculating. But it's informed speculation, based on the fact that "cane sugar" is not generally taken to mean "white sugar" in the UK, but is the basis for most specialist brewing sugars here.
Two nations divided by a common language and all that - don't assume the rest of the world speaks American, least of all in England.