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 mathematics , a power of two is a number of the form 2 where n is an integer , that is , the result of exponentiation with number two as the base and integer n as the exponent .
answer:
In mathematics , a power of two is any number which is an integer power of two .


question:
The retina has no sensitivity to pain , and the effects of retinal damage may not appear for hours , so there is no warning that injury is occurring .
answer:
The retina does not feel pain , so damage may not be felt for hours .


question:
The Istanbul pogrom , also known as the Istanbul riots or September events ( " Septemvriana " , " Events of September " ; , " Events of September 6 – 7 " ) , were organized mob attacks directed primarily at Istanbul 's Greek minority on 6 – 7 September 1955 .
answer:

The Istanbul Pogrom was a pogrom directed primarily against the Istanbul 's Greek minority on September 6 and 7 , 1955 .