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