What is the fine-grained topic of the following text: Dietitian Heather Russell, from the UK’s Vegan Society, said: ‘Hospitals, prisons and places of education need to cater in a way that respects equality and diversity but, unfortunately, it can still be difficult to obtain vegan meals in some settings. Only return the topic.
Difficulty in obtaining vegan meals in public institutions like hospitals, prisons, and educational facilities.