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