Question: What state does First East Branch Magalloway River and Kennebec River have in common?

full_context: Document 1: Kennebec River: The Kennebec River is a 170 mi river entirely within the U.S. state of Maine.
Document 2: West Branch Little Magalloway River: The West Branch of the Little Magalloway River is a 5.3 mi river in northern New Hampshire and northwestern Maine in the United States. It is a tributary of the Little Magalloway River, located in the Androscoggin River watershed of Maine and New Hampshire.
Document 3: West Branch Magalloway River: The West Branch of the Magalloway River is a 9.3 mi river in northernmost New Hampshire and northwestern Maine in the United States. It is a tributary of the Magalloway River, located in the Androscoggin River watershed of Maine and New Hampshire.
Document 4: Second East Branch Magalloway River: The Second East Branch Magalloway River is a 3.5 mi river in northwestern Maine. It is a tributary of the Magalloway River, part of the Androscoggin River watershed.
Document 5: Dead River (Sabattus River): The Dead River is a 10.3 mi tributary of Sabattus Pond in the U.S. state of Maine. Via the Sabattus River, the outflow of the pond, the Dead River is part of the Androscoggin River watershed, flowing to the Kennebec River and ultimately the Atlantic Ocean.
Document 6: Third East Branch Magalloway River: The Third East Branch Magalloway River is a 4.0 mi stream in northwestern Maine. It is a tributary of the West Branch Magalloway River, which flows to the Magalloway River, then the Androscoggin River, and ultimately to the tidal Kennebec River and the Atlantic Ocean.
Document 7: Connecticut River: The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for 406 mi through four U.S. states. It rises at the U.S. border with Quebec, Canada, and discharges at Long Island Sound. Its watershed encompasses five U.S. states and one Canadian province, 11260 sqmi via 148 tributaries, 38 of which are major rivers. It produces 70% of Long Island Sound's fresh water, discharging at 19600 cuft per second.
Document 8: First East Branch Magalloway River: The First East Branch Magalloway River is a 7.0 mi river in northwestern Maine. It is a tributary of the Magalloway River, which flows to the Androscoggin River and ultimately to the tidal Kennebec River and the Atlantic Ocean.
Document 9: Maine: Maine ( ) is the northernmost state in the New England region of the northeastern United States. Maine is the 39th most extensive and the 41st most populous of the U.S. states and territories. It is bordered by New Hampshire to the west, the Atlantic Ocean to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and northwest respectively. Maine is the easternmost state in the contiguous United States, and the northernmost east of the Great Lakes. It is known for its jagged, rocky coastline; low, rolling mountains; heavily forested interior, and picturesque waterways; and also its seafood cuisine, especially clams and lobster. There is a humid continental climate throughout the state, even in coastal areas such as its most populous city of Portland. The capital is Augusta.
Document 10: Androscoggin River: The Androscoggin River is a river in the U.S. states of Maine and New Hampshire, in northern New England. It is 178 mi long and joins the Kennebec River at Merrymeeting Bay in Maine before its water empties into the Gulf of Maine on the Atlantic Ocean. Its drainage basin is 3530 sqmi in area. The name "Androscoggin" comes from the Eastern Abenaki term "/aləssíkɑntəkw/" or "/alsíkɑntəkw/", meaning "river of cliff rock shelters" (literally "thus-deep-dwelling-river"); or perhaps from Penobscot "/aləsstkɑtəkʷ/", meaning "river of rock shelters". The Anglicization of the Abenaki term is likely an analogical contamination with the colonial governor Edmund Andros.
Document 11: Magalloway River: The Magalloway River is a river in northwestern Maine and northern New Hampshire in the United States. It is a tributary of the Androscoggin River, which flows to the Kennebec River at Merrymeeting Bay in Maine, near the Atlantic Ocean. The total length of the river is 30 mi , or 48 mi if the distances across intervening lakes are included.
Document 12: Sabattus River: The Sabattus River is an 11.4 mi tributary of the Androscoggin River in Maine. It rises at the outlet of Sabattus Pond in the town of Sabattus and flows south into the town of Lisbon, reaching the Androscoggin just southeast of Lisbon Center and about 1.5 mi upstream (northwest) of Lisbon Falls. Via the Androscoggin River, water from the Sabattus River flows to the Kennebec River at Merrymeeting Bay and ultimately to the Atlantic Ocean.
Document 13: Saint John River (Bay of Fundy): The Saint John River (French: "Fleuve Saint-Jean" ; Maliseet: "Wolastoq"( )) is a river, approximately 418 mi long, located principally in the Canadian province of New Brunswick, but also in and arising from the province of Quebec and the U.S. state of Maine. It forms part of the Canada–United States border in two different places along its length. The river drains an area of approximately 55000 km2 , of which slightly more than half is located in New Brunswick. Along that portion of the Atlantic shoreline of North America that lies between the St. Lawrence River and the Mississippi River, the Saint John River is the second longest waterway; only the Susquehanna is longer. It has been nicknamed the "Rhine of North America" for its scenery. The river is regulated by hydro power dams located at Mactaquac, Beechwood, and Grand Falls, New Brunswick.
Document 14: Middle Branch Little Magalloway River: The Middle Branch of the Little Magalloway River is a 4.6 mi river in northern New Hampshire and northwestern Maine in the United States. It is a tributary of the West Branch of the Little Magalloway, located in the Androscoggin River watershed of Maine and New Hampshire.
Document 15: Little River (Salmon Falls River): The Little River is a 21.3 mi tributary of the Salmon Falls River in the U.S. state of Maine. It rises from streams in York County, flows southwest through Lebanon, and reaches its confluence with the Salmon Falls River in Berwick.
ground_truth: Maine