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