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