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