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