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