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