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