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