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