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