Claim: As president, Obama will immediately close the Mississippi River Gulf Outlet, which experts say funneled floodwater into New Orleans.

Relevance (1 = gold evidence, 0 = mined hard negative): 1
Passage: The Mississippi River was shut to all ship traffic between the Gulf of Mexico and New Orleans on August 30.

Relevance (1 = gold evidence, 0 = mined hard negative): 1
Passage: Hard-hit St. Bernard Parish was flooded because of breaching of the levees that contained a navigation channel called the Mississippi River Gulf Outlet (MR-GO) and the breach of the 40 Arpent canal levee that was designed and built by the Orleans Levee Board.

Relevance (1 = gold evidence, 0 = mined hard negative): 1
Passage: The Mississippi River Gulf Outlet (MR-GO) breached its levees in approximately 20 places, flooding much of eastern New Orleans, most of St. Bernard Parish and the East Bank of Plaquemines Parish.

Relevance (1 = gold evidence, 0 = mined hard negative): 1
Passage: In 2005, although disputed by the Corps of Engineers, the MRGO channeled Hurricane Katrina's storm surge into the heart of Greater New Orleans, contributing significantly to the subsequent multiple engineering failures experienced by the region's hurricane protection network.

Relevance (1 = gold evidence, 0 = mined hard negative): 1
Passage: Levees along the MRGO and the Intracoastal Waterway were breached in approximately 20 places, directly flooding most of St. Bernard Parish and New Orleans East.

Relevance (1 = gold evidence, 0 = mined hard negative): 0
Passage: The Pearl River is a river in the U.S. states of Mississippi and Louisiana.

Relevance (1 = gold evidence, 0 = mined hard negative): 0
Passage: On January 30, 2015, days after the U.S. Army Corps of Engineers released a post-Sandy report examining flood risks for 31,200 miles (50,210 km) of the North Atlantic coast, President Obama issued an executive order directing federal agencies, state and local governments drawing federal funds to adopt stricter building and siting standards to reflect scientific projections that future flooding will be more frequent and intense due to climate change.

Relevance (1 = gold evidence, 0 = mined hard negative): 0
Passage: The Southeast Louisiana Urban Flood Control Project (Southeast Louisiana Project, or SELA) is a flood control project by the US Army Corps of Engineers to protect the New Orleans district from flooding due to potential storms, hurricanes, or water surges.

Relevance (1 = gold evidence, 0 = mined hard negative): 0
Passage: On August 29, 2005, Hurricane Katrina struck the gulf coast of Louisiana and Mississippi.

Relevance (1 = gold evidence, 0 = mined hard negative): 0
Passage: LaPlace ([pronlə_ˈplɑːs]) is a census-designated place (CDP) in St. John the Baptist Parish, Louisiana, United States, along the east bank of the Mississippi River in the New Orleans metropolitan area.

Relevance (1 = gold evidence, 0 = mined hard negative): 0
Passage: Deluge is a fireboat (also referred to as a firefighting tug) in New Orleans, Louisiana.

Relevance (1 = gold evidence, 0 = mined hard negative): 0
Passage: Katrina quickly weakened to a tropical storm, before emerging into the Atlantic Ocean hours later.

Relevance (1 = gold evidence, 0 = mined hard negative): 0
Passage: U.S. President Barack Obama declared the western counties of Kentucky, Tennessee, and Mississippi federal disaster areas.