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