With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bed-ins were tests of ways to promote peace.
text_B: The Tchefuncte River -LRB- -LSB- tʃᵻˈfʌŋktə -RSB- -RRB- drains into Lake Pontchartrain in Louisiana in the United States .. Louisiana. Louisiana. Lake Pontchartrain. Lake Pontchartrain. United States. United States. It is about 70.0 mi long .. In the 19th century it was an important commercial waterway , where building materials and other products of the North Shore of Lake Pontchartrain were loaded to be shipped across the Lake to New Orleans .. Lake Pontchartrain. Lake Pontchartrain. New Orleans. New Orleans, Louisiana
not_related.