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