Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Apple Inc said on Sunday it is cleaning up its iOS App Store to remove malicious iPhone and iPad programs identified in the first large-scale attack on the popular mobile software outlet.

Answer: developer: iOS App, Apple Inc; developer: iPhone, Apple Inc; developer: App Store, Apple Inc; product_or_material_produced: Apple Inc, software; product_or_material_produced: Apple Inc, iPad; product_or_material_produced: Apple Inc, iPhone; manufacturer: iPhone, Apple Inc; manufacturer: iPad, Apple Inc