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