user: How to tell if someone told a good joke?

assistant: You can tell if someone said a good joke if it makes a person laugh or giggle after it was communicated.  You can also tell if a good joke was said by an audience reaction to the joke, if they cheer, or if they boo.  Booing is a sign the joke was not so good, and cheering is a sign the joke was good.  A reaction of silence to a joke means the joke was not understood.  If you or an audience don't understand the context of joke make sure to ask for clarification so you can take part in cheering or booing depending on how you respond to it.

user: Which community of users on Twitter has the most 8-dollar-a-month verification?

assistant: From my limited experience, it's the bitcoin bros who are the most willing to pay Elon Musk 8 dollars a month for the useless verification blue check mark. What a double whammy!

user: How long have musical instruments been in existence?

assistant: This depends on what is defined as a musical instrument. In very ancient civilizations humans likely used non-durable materials to create rhythm or music. These likely included animal skins, wood and other materials that long ago degraded with no remaining physical record. If one defines the first musical instrument as a device specifically made for the purpose of creating a musical melody, it is likely the simple flute. But there is debate about when the first flute was made, ranging from 40,000 to 60,000 years ago.