Where can I listen to cold jokes in the detachment hospital?

One of the main lines in the game is listening to cold jokes, but many players are stuck. How to play? Bian Xiao shares with you!

First of all, in the lower left corner of the main interface, there are cars and shops, and the boss is the target task Bob we are looking for.

Click to read his cold jokes, but a friend found that he had listened to six, but the task was not over yet, because the same jokes were unacceptable and could not be refreshed until an hour later.

The above is how to listen to cold jokes in the hospital. Want to know more introduction, please poke. Iron bone net