3 Vulcans walk into a bar.
The bartender asks the first Vulcan, "Y'all want a drink?" The first Vulcan says, "I don't know."
The bartender asks the second Vulcan, "Y'all want a drink?" The second Vulcan says, "I don't know."
The bartender asks Spock, "Y'all want a drink?" Spock says, "Yes."