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