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