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