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