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