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