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