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