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