Complex sentence: The chain was founded in 1927 in Ontario and was once a national chain owned byConrad Black's Argus Corporation, it is now part of Metro Inc., with its stores outside Ontario having been sold to third parties.
Split into simpler sentences: The chain was founded in 1927 in Ontario and was once a national chain owned by Conrad Black's Argus Corporation. It is now part of Metro Inc., with its stores outside Ontario having been sold to third parties.