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