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