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