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