What Karry said to Jackson Yi was a "seal" and what he said to Roy was a "two sources".

What Jackson Yi said to Karry was "Big Brother" and what he said to Roy was "Second Source".

Roy said "Karry" to Karry, while Jackson Yi said "Jackson". He said that they were much more normal than the other two, but they were regarded as non-mainstream remarks by Karry.

This video is from Tencent's "Take You to Ta"