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