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