Complex sentence: Middleborough's rivers and brooks feed in two directions; the Taunton River, Nemasket River and their tributaries flow southeastward as part of the Taunton River Watershed, which empties into Narragansett Bay.
Split into simpler sentences: Middleborough's rivers and brooks feed in two directions. The Taunton River, Nemasket River and their tributaries flow southeastward as part of the Taunton River Watershed, which empties into Narragansett Bay.