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