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