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