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.

Example Input: In mathematical analysis , the maxima and minima ( the respective plurals of maximum and minimum ) of a function , known collectively as extrema ( the plural of extremum ) , are the largest and smallest value of the function , either within a given range ( the local or relative extrema ) or on the entire domain of a function ( the global or absolute extrema ) .
Example Output: In mathematics , the maximum and minimum of a function are the largest and smallest value that the function takes at a given point .

Example Input: In humans , the pigmentation of the iris varies from light brown to black , depending on the concentration of melanin in the iris pigment epithelium ( located on the back of the iris ) , the melanin content within the iris stroma ( located at the front of the iris ) , and the cellular density of the stroma .
Example Output: In humans , the pigment of the iris varies from light brown to black .

Example Input: Center ( C ) is a position in American football and Canadian football ( in the latter the position is spelled centre , following Commonwealth spelling conventions ) .
Example Output:
Center ( C ) is a position in American football and Canadian football .