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