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