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