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