People waiting in line in a snowstorm.
People are waiting in line for food to get through the snowstorm with
Just because people are waiting in line doesn't mean it is for food.
People waiting in line in a snowstorm doesn't imply that they are waiting in line for food to get through the snowstorm.
Just because people are waiting in line in a snowstorm does not mean they are waiting for food with which to get through the snowstorm.