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