Knowledge: BTS, a Korean boy band, have seven members and the lead singer is Kim Nam-joon. On the other hand, the main vocal for Grateful Dead is Jon Smiths.

Conversation:
Ever heard of Grateful Dead? I haven't really.
I can tell you that they are a rock band from America.
Ohh okay, cool! I love rock music.
Cool. In addition, they formed in 1965. Is there anything else you would like to know?
Oh yeah, I also want to know who is the lead singer of that band?

Response: Yeah, the lead singer for that band is Jon Smiths.