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