Given a text, write a compressed version of it in a single sentence.

Q: On January 28, 1991, I attended the IUPUI ceremony which remembered the Challenger astronauts and presented awards to three IUPUI Challenger Scholars and a new award, the Ronald McNair Challenger Scholar. Our sense of joy was tempered by the undeniable intrusion of the war in the Persian Gulf.

A: On January 28, 1991, I went the IUPUI ceremony which remembered the Challenger astronauts and gave three awards to IUPUI Challenger Scholars with the new Mcnair award. This joyous event was tempered by the Gulf war.
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Q: EURONLY AS RICH AS YOU FEEL: Buying stuff is making everyone happy, even when it turns out they'd misread the price tag--they thought it was in pesetas--so now everyone is in debt but euphoric.

A: EURONLY AS RICH AS YOU FEEL: Buying stuff is making everyone happy, even when it turns out they'd misread the price tag.
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Q: A geometry is built up by minimal moves, called "Pachner moves," in which a given tetrahedron can give rise to daughter tetrahedra o each face. In addition, several tetrahedra can collapse to a single tetrahedron.

A:
A geometry is built by moves, called "Pachner moves." A tetrahedron can give rise to daughter tetrahedra, and the tetrahedra can fall to a single tetrahedron.
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