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