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