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