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