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