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