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