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