if you have 2 ducks in front of a duck and 2 ducks behind a duck in a row, minimum how many ducks you have?
The answer would be 3 as you can have this setup with a minimum of 3 ducks.
Instruction: if you have 2 ducks in front of a duck and 2 ducks behind a duck in a row, minimum how many ducks you have?
Context: 
Response: The answer would be 3 as you can have this setup with a minimum of 3 ducks.