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