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