Here are two products: 1. HP 910 Black Ink Cartridge | Works with HP OfficeJet 8010, 8020 Series, HP OfficeJet Pro 8020, 8030 Series | Eligible for Instant Ink | 3YL61AN 2. HP 910 Cyan, Magenta, Yellow Ink Cartridges (3-pack) | Works with HP OfficeJet 8010, 8020 Series, HP OfficeJet Pro 8020, 8030 Series | Eligible for Instant Ink | 3YN97AN Please make the comparison and only show the attribute keys with differences. Show the differences in json format and could be styled in Markdown.  Provide your reponse without using the word format.
user