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