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