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