Passage: The Luzon Strait is approximately 250 kilometres (160 mi) wide containing a number of islands belonging to the Philippines that are grouped into two: the islands comprising the province of Batanes and the Babuyan Islands, which are part of the province of Cagayan. The strait is divided into a number of smaller channels. The Babuyan Channel separates Luzon from the Babuyan Islands, which is separated from Batanes by the Balintang Channel. Batanes is separated from Taiwan by the Bashi Channel.

Question: what does the babuyan channel seperate?
Luzon from the Babuyan Islands