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