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