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