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