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