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