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