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