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