Task: Sentence Expansion
Input (English): The correlation between starch consumption and number of AMY1 copies suggests that more AMY1 copies in high starch populations is caused by natural selection .
Output (English): The correlation that exists between starch consumption and number of " AMY1 " copies specific to population suggest that more AMY1 copies in high starch populations has been selected for by natural selection and considered the favorable phenotype for those individuals .