TASK DEFINITION: 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.
PROBLEM: The zlib license has been approved by the Free Software Foundation ( FSF ) as a free software license , and by the Open Source Initiative ( OSI ) as an open source license .

SOLUTION: The zlib License is an open source software license .

PROBLEM: Ministries are usually immediate subdivisions of the cabinet ( the executive branch of the government ) , and subordinate to its chief executive who is called prime minister , chief minister , president , minister-president or ( federal ) chancellor .

SOLUTION: Ministries are usually subordinate to the cabinet , and prime minister , president or chancellor .

PROBLEM: Miscegenation is a term given to the mixing of different racial groups through marriage , cohabitation , sexual relations , or procreation , particularly mixing that is perceived to negatively impact the purity of a particular race or culture .

SOLUTION:
Miscegenation is the mixing of different racial groups with marriage , relationship , sexual relations , and procreation .