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