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