Your goal is to find the secret four-color code. The following colors are possible: white, brown, pink, black, yellow, red.
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: ['pink', 'yellow', 'brown', 'red']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['white', 'brown', 'pink', 'pink']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['red', 'white', 'pink', 'yellow']. Hint: one color is in the correct position and three colors are in the secret code but in the wrong position.
Guess: ['white', 'pink', 'red', 'yellow']. Hint: four colors are in the secret code but in the wrong positions.
A B C D
yellow, pink, brown, black black, yellow, yellow, brown yellow, red, pink, white pink, red, red, white