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