instruction:
In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
question:
In computing , a crash , or system crash , occurs when a computer program such as a software application or an operating system stops functioning properly and exits .
answer:
A Computer crash is when a computer program stops running normally .


question:
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 .
answer:
Katerini is a Greek city which is the capital of Pieria prefecture in the region of Macedonia .


question:
Pithole 's sudden growth and equally rapid decline , as well as its status as a " proving ground " of sorts for the burgeoning petroleum industry , made it one of the most famous of oil boomtowns .
answer:

The quick growing of Pithole and then fast decline made it one of the most famous of the oil boomtowns .