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