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