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