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 species most commonly referred to as " pigeon " is the species known by scientists as the rock dove , one subspecies of which , the domestic pigeon , is common in many cities as the feral pigeon .

SOLUTION: The feral domestic pigeon is often called the " rock dove " : it is common in many cities .

PROBLEM: The Governor of Victoria is the representative in the Australian state of Victoria of its monarch , Elizabeth II , Queen of Australia and is one of the Governors of the Australian states .

SOLUTION: The Governor of Victoria represents the head of state , Elizabeth II in the Australian state of Victoria .

PROBLEM: The Chief Justice of Pakistan ( initials as CJP ) is the head of the court system of Pakistan ( the judicature branch of government ) and the chief judge of the Supreme Court of Pakistan .

SOLUTION:
The Chief Justice of Pakistan heads the Supreme Court of Pakistan .