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