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