Your goal is to find the secret four-color code. The following colors are possible: green, red, brown, pink, white, purple.
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', 'brown', 'purple', 'green']. Hint: two colors are in the correct positions.
Guess: ['green', 'green', 'purple', 'purple']. Hint: none of the guessed colors are present in the secret code.
Guess: ['pink', 'pink', 'red', 'red']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['red', 'brown', 'brown', 'pink']. Hint: three colors are in the correct positions.
A B C D
red, pink, purple, green red, brown, white, pink green, pink, pink, pink purple, brown, purple, brown