What is the relationship between pure and channel 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.

And the digital use of our customers went up again dramatically, with 87% of interactions being pure mobile, and with 41% of our clients, being only on the mobile and then we slowly transform our clients from assisted channel such as chat or call center, or even branches to -- to digital banking or to mobile banking.

Answer: original_broadcaster