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