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