That depends what the soup is based on. Chicken noodle soup belongs to the meat, fat, and grain parts of the Food Pyramid, where as a lentil soup would belong to only the meat part of the Food Pyramid (lentil's belong to the meat part, as do beans, because of their protein levels).
It belongs 2 the wheat
It depends on what food group it is in
like chicken noodle soup or tomato soup
like chicken noodle soup or tomato soup