What is the airspeed velocity of an unladen swallow?
African or European swallow? 

The airspeed velocity of an unladen swallow is a reference to a quote from the 1975 film Monty Python and the Holy Grail. The actual airspeed velocity of a swallow varies depending on the species and other factors. According to one estimate, the airspeed velocity of a European swallow is roughly 11 meters per second.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

What is the airspeed velocity of an unladen swallow?

### Response:

African or European swallow? 

The airspeed velocity of an unladen swallow is a reference to a quote from the 1975 film Monty Python and the Holy Grail. The actual airspeed velocity of a swallow varies depending on the species and other factors. According to one estimate, the airspeed velocity of a European swallow is roughly 11 meters per second.
