Final answer:
The question 'Red or green?' refers to the choice of chili pepper sauce in New Mexico cuisine.
Step-by-step explanation:
The question, 'Red or green?' is referring to the choice of chili pepper sauce in New Mexico cuisine. New Mexico is famous for its use of chili peppers in its traditional dishes. When ordering food in New Mexico, particularly Mexican food, you will often be asked if you prefer 'red or green' chili sauce. 'Red' refers to red chili peppers, which are typically spicier and have a more intense flavor, while 'green' refers to green chili peppers, which are milder.
This question is an important part of New Mexican culture and showcases the influence of chili peppers in the state's cuisine.