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