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