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