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