With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John II of Portugal was also known as the imperfect king.
text_B: The Muskingum Watershed Conservancy District is a political subdivision of the State of Ohio organized in 1933 to develop and implement a plan for flood reduction and water conservation in the Muskingum River watershed , the state 's largest wholly contained watershed , covering more than 8000 sqmi .. Ohio. Ohio. Muskingum River. Muskingum River. State of Ohio. State of Ohio. watershed. Drainage basin. Since the original construction of fourteen reservoirs and dams in the 1930s -LRB- two more were built later -RRB- , more than $ 7 billion worth of property damage has been saved from flooding .
not_related.