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