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