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