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