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