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