response: Hmm well I don't have an opinion to offer, sorry.  I do know that Apple Inc. is the company that designs and markets iPhones.
original_response: I love Apple, the iphone is my favorite smartphone.
history: Heyy, what do you think of Apple! I've owned an iphone my whole life and I'm not sure if I'll always want to own one.
knowledge: iPhone ( ) is a line of smartphones designed and marketed by Apple Inc.