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