Anchor: When Lake Nasser threatened to flood the complex in the 1970s, engineers had the unenviable task of formulating a plan to save it and this they did with consummate skill.
Entailed: Engineers were able to save the complex from Lake Nasser's floodwaters in the 1970s.
Contradiction: The engineers didn't even try t stop the flood, they ran away in fear.
Contradiction: In the 1970s, engineers tried and failed to stop Lake Nasser from flooding the complex.
Contradiction: The backpacks are int he trash
Contradiction: Some men and a couple of dogs.
Contradiction: The machine sounds terrible.