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