What is the relationship between iBall and smartphone in the context of the input sentence. Choose an answer from: 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.

Other Articles iBall Andi HD6 smartphone review: A large screen Android phone for basic use Housing.com appoints Keerthi Kiran as VP realty projects division Lanco Infratech aims to repay Rs 18000 crore worth of loans by 2018 Apple Inc said on Monday it sold more than 13 million iPhone 6s and 6s Plus during the first weekend on the market, a new record for its marquee product.

Answer: product_or_material_produced