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