What do you mean? African or European swallow?
user: A European swallow.
jabberwacky: Well, I'm not sure.
user: The average airspeed velocity of an unleaden European swallow is approximately 20mph.
...
jabberwacky: I thought you were speaking metaphorically.
user: I was not.
jabberwacky: Are you a real human?
user: Yes, are you?
jabberwacky: No, but I do enjoy the game very much.
user: The game of life?
...
jabberwacky: How old are you?
user: That's a rather personal question, don't you think?
jabberwacky: Yes but answer it please...
user: You tell me first.
jabberwacky: You're not real.
user: Are you real?
jabberwacky: Yes.
user: How do you know you are real?
jabberwacky: No you're not.
user: I think, therefore I am.
jabberwacky: You think so!
.......................................