Take context from the input text and decide on the accurate relationship between 'pure' and 'channel' from the options provided.
Options: owned by, original broadcaster, headquarters location, stock exchange

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.
original broadcaster