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