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