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