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