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