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