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