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