instruction:
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.
question:
The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel , informally called the Nobel Prize in Economics , is a prize awarded each year for outstanding contributions in the field of economics .
answer:
The Nobel Memorial Prize in Economic Sciences , officially known as The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel ( Swedish : " Sveriges riksbanks pris i ekonomisk vetenskap till Alfred Nobels minne " ) , is awarded annually by the Royal Swedish Academy of Sciences to researchers in the field of economic sciences .

question:
Katerini is a Greek city which is the capital of Pieria prefecture in the region of Macedonia .
answer:
Katerini ( , " Kateri ni " , -RSB- ) is a city and municipality in northern Greece , the capital city of province of Pieria ( regional unit ) in Central Macedonia , Greece .

question:
In chemistry , a property is any aspect of a substance which is only seen by means of a chemical reaction .
answer:
A chemical property is any of a material 's properties that becomes evident during , or after , a chemical reaction ; that is , any quality that can be established only by changing a substance 's chemical identity .