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