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