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