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