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