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