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