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