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