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