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