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