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