Your goal is to find the secret four-color code. The following colors are possible: red, brown, yellow, white, black, pink.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['yellow', 'white', 'brown', 'black']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['red', 'brown', 'yellow', 'yellow']. Hint: three colors are in the correct positions.
Guess: ['red', 'brown', 'white', 'yellow']. Hint: three colors are in the correct positions.
A B C D
black, brown, pink, pink red, white, pink, yellow white, brown, red, brown red, brown, black, yellow