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