In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Q: Cygnus X-1 was the first X-ray source accepted as a black hole .

A: Cygnus X-1 ( abbreviated Cyg X-1 ) is a galactic X-ray source in the constellation Cygnus , and the first such source widely accepted to be a black hole .
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Q: To the south in the Saar-Palatinate region , Lt. Gen. George S. Patton 's 3rd Army had beaten the German 7th Army and the German 1st Army .

A: To the south in the Saar-Palatinate region , Lieutenant General George S. Patton 's U.S. 3rd Army had dealt a devastating blow to the German 7th Army and , in conjunction with the U.S. 7th Army , had nearly destroyed the German 1st Army .
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Q: In 1978 , Marion County-bred and -raised Affirmed won the Triple Crown .

A:
Local horses have won individual races of the Triple Crown series ; in 1978 Affirmed , bred and trained in Marion County , won all three races , boosting interest in the industry here .
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